diff --git a/py-polars/polars/_typing.py b/py-polars/polars/_typing.py
index 9a349bd6c943..1670b08aeb2f 100644
--- a/py-polars/polars/_typing.py
+++ b/py-polars/polars/_typing.py
@@ -4,11 +4,8 @@
 from typing import (
     TYPE_CHECKING,
     Any,
-    List,
     Literal,
     Protocol,
-    Tuple,
-    Type,
     TypedDict,
     TypeVar,
     Union,
@@ -52,29 +49,29 @@ def __arrow_c_stream__(self, requested_schema: object | None = None) -> object:
 
 # Data types
 PolarsDataType: TypeAlias = Union["DataTypeClass", "DataType"]
-PolarsTemporalType: TypeAlias = Union[Type["TemporalType"], "TemporalType"]
-PolarsIntegerType: TypeAlias = Union[Type["IntegerType"], "IntegerType"]
+PolarsTemporalType: TypeAlias = Union[type["TemporalType"], "TemporalType"]
+PolarsIntegerType: TypeAlias = Union[type["IntegerType"], "IntegerType"]
 OneOrMoreDataTypes: TypeAlias = Union[PolarsDataType, Iterable[PolarsDataType]]
 PythonDataType: TypeAlias = Union[
-    Type[int],
-    Type[float],
-    Type[bool],
-    Type[str],
-    Type["date"],
-    Type["time"],
-    Type["datetime"],
-    Type["timedelta"],
-    Type[List[Any]],
-    Type[Tuple[Any, ...]],
-    Type[bytes],
-    Type[object],
-    Type["Decimal"],
-    Type[None],
+    type[int],
+    type[float],
+    type[bool],
+    type[str],
+    type["date"],
+    type["time"],
+    type["datetime"],
+    type["timedelta"],
+    type[list[Any]],
+    type[tuple[Any, ...]],
+    type[bytes],
+    type[object],
+    type["Decimal"],
+    type[None],
 ]
 
 SchemaDefinition: TypeAlias = Union[
     Mapping[str, Union[PolarsDataType, PythonDataType]],
-    Sequence[Union[str, Tuple[str, Union[PolarsDataType, PythonDataType, None]]]],
+    Sequence[Union[str, tuple[str, Union[PolarsDataType, PythonDataType, None]]]],
 ]
 SchemaDict: TypeAlias = Mapping[str, PolarsDataType]
 
@@ -82,7 +79,7 @@ def __arrow_c_stream__(self, requested_schema: object | None = None) -> object:
 TemporalLiteral: TypeAlias = Union["date", "time", "datetime", "timedelta"]
 NonNestedLiteral: TypeAlias = Union[NumericLiteral, TemporalLiteral, str, bool, bytes]
 # Python literal types (can convert into a `lit` expression)
-PythonLiteral: TypeAlias = Union[NonNestedLiteral, List[Any]]
+PythonLiteral: TypeAlias = Union[NonNestedLiteral, list[Any]]
 # Inputs that can convert into a `col` expression
 IntoExprColumn: TypeAlias = Union["Expr", "Series", str]
 # Inputs that can convert into an expression
@@ -201,7 +198,7 @@ def __arrow_c_stream__(self, requested_schema: object | None = None) -> object:
 # Excel IO
 ColumnFormatDict: TypeAlias = Mapping[
     # dict of colname(s) or selector(s) to format string or dict
-    Union[ColumnNameOrSelector, Tuple[ColumnNameOrSelector, ...]],
+    Union[ColumnNameOrSelector, tuple[ColumnNameOrSelector, ...]],
     Union[str, Mapping[str, str]],
 ]
 ConditionalFormatDict: TypeAlias = Mapping[
@@ -211,12 +208,12 @@ def __arrow_c_stream__(self, requested_schema: object | None = None) -> object:
 ]
 ColumnTotalsDefinition: TypeAlias = Union[
     # dict of colname(s) to str, a collection of str, or a boolean
-    Mapping[Union[ColumnNameOrSelector, Tuple[ColumnNameOrSelector]], str],
+    Mapping[Union[ColumnNameOrSelector, tuple[ColumnNameOrSelector]], str],
     Sequence[str],
     bool,
 ]
 ColumnWidthsDefinition: TypeAlias = Union[
-    Mapping[ColumnNameOrSelector, Union[Tuple[str, ...], int]], int
+    Mapping[ColumnNameOrSelector, Union[tuple[str, ...], int]], int
 ]
 RowTotalsDefinition: TypeAlias = Union[
     # dict of colname to str(s), a collection of str, or a boolean
@@ -231,7 +228,7 @@ def __arrow_c_stream__(self, requested_schema: object | None = None) -> object:
 # typevars for core polars types
 PolarsType = TypeVar("PolarsType", "DataFrame", "LazyFrame", "Series", "Expr")
 FrameType = TypeVar("FrameType", "DataFrame", "LazyFrame")
-BufferInfo: TypeAlias = Tuple[int, int, int]
+BufferInfo: TypeAlias = tuple[int, int, int]
 
 # type alias for supported spreadsheet engines
 ExcelSpreadsheetEngine: TypeAlias = Literal["xlsx2csv", "openpyxl", "calamine"]
diff --git a/py-polars/polars/_utils/async_.py b/py-polars/polars/_utils/async_.py
index ac2f0b947ad5..966f28cecdb6 100644
--- a/py-polars/polars/_utils/async_.py
+++ b/py-polars/polars/_utils/async_.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from collections.abc import Awaitable, Generator
+from collections.abc import Awaitable
 from typing import TYPE_CHECKING, Any, Generic, TypeVar
 
 from polars._utils.wrap import wrap_df
@@ -8,6 +8,7 @@
 
 if TYPE_CHECKING:
     from asyncio.futures import Future
+    from collections.abc import Generator
 
     from polars.polars import PyDataFrame
 
diff --git a/py-polars/polars/_utils/construction/dataframe.py b/py-polars/polars/_utils/construction/dataframe.py
index 3be09d2af433..f174fbc736cf 100644
--- a/py-polars/polars/_utils/construction/dataframe.py
+++ b/py-polars/polars/_utils/construction/dataframe.py
@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 import contextlib
-from collections.abc import Generator, Iterable, Mapping, MutableMapping, Sequence
+from collections.abc import Generator, Mapping
 from datetime import date, datetime, time, timedelta
 from functools import singledispatch
 from itertools import islice, zip_longest
@@ -59,6 +59,8 @@
     from polars.polars import PyDataFrame
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable, MutableMapping, Sequence
+
     from polars import DataFrame, Expr, Series
     from polars._typing import (
         Orientation,
diff --git a/py-polars/polars/_utils/construction/series.py b/py-polars/polars/_utils/construction/series.py
index 2b5590608002..121378b6d873 100644
--- a/py-polars/polars/_utils/construction/series.py
+++ b/py-polars/polars/_utils/construction/series.py
@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 import contextlib
-from collections.abc import Generator, Iterable, Iterator, Sequence
+from collections.abc import Generator, Iterator
 from datetime import date, datetime, time, timedelta
 from itertools import islice
 from typing import (
@@ -62,6 +62,8 @@
     from polars.polars import PySeries
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable, Sequence
+
     from polars import DataFrame, Series
     from polars._typing import PolarsDataType
     from polars.dependencies import pandas as pd
diff --git a/py-polars/polars/_utils/construction/utils.py b/py-polars/polars/_utils/construction/utils.py
index 8c1e890d2c07..8b73728c92fc 100644
--- a/py-polars/polars/_utils/construction/utils.py
+++ b/py-polars/polars/_utils/construction/utils.py
@@ -1,13 +1,14 @@
 from __future__ import annotations
 
 import sys
-from collections.abc import Sequence
 from functools import lru_cache
 from typing import TYPE_CHECKING, Any, Callable, get_type_hints
 
 from polars.dependencies import _check_for_pydantic, pydantic
 
 if TYPE_CHECKING:
+    from collections.abc import Sequence
+
     import pandas as pd
 
 PANDAS_SIMPLE_NUMPY_DTYPES = {
diff --git a/py-polars/polars/_utils/convert.py b/py-polars/polars/_utils/convert.py
index d6a5388a387d..cc23c77f73ac 100644
--- a/py-polars/polars/_utils/convert.py
+++ b/py-polars/polars/_utils/convert.py
@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-from collections.abc import Sequence
 from datetime import datetime, time, timedelta, timezone
 from decimal import Context
 from functools import lru_cache
@@ -26,6 +25,7 @@
 from polars.dependencies import _ZONEINFO_AVAILABLE, zoneinfo
 
 if TYPE_CHECKING:
+    from collections.abc import Sequence
     from datetime import date, tzinfo
     from decimal import Decimal
 
diff --git a/py-polars/polars/_utils/getitem.py b/py-polars/polars/_utils/getitem.py
index 216502478e31..2ab09ba9af8c 100644
--- a/py-polars/polars/_utils/getitem.py
+++ b/py-polars/polars/_utils/getitem.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from collections.abc import Iterable, Sequence
+from collections.abc import Sequence
 from typing import TYPE_CHECKING, Any, NoReturn, overload
 
 import polars._reexport as pl
@@ -23,6 +23,8 @@
 from polars.meta.index_type import get_index_type
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable
+
     from polars import DataFrame, Series
     from polars._typing import (
         MultiColSelector,
diff --git a/py-polars/polars/_utils/udfs.py b/py-polars/polars/_utils/udfs.py
index f490075c390c..0ff968ed59ec 100644
--- a/py-polars/polars/_utils/udfs.py
+++ b/py-polars/polars/_utils/udfs.py
@@ -10,14 +10,12 @@
 import warnings
 from bisect import bisect_left
 from collections import defaultdict
-from collections.abc import Iterator
 from dis import get_instructions
 from inspect import signature
 from itertools import count, zip_longest
 from pathlib import Path
 from typing import (
     TYPE_CHECKING,
-    AbstractSet,
     Any,
     Callable,
     ClassVar,
@@ -29,6 +27,8 @@
 from polars._utils.various import re_escape
 
 if TYPE_CHECKING:
+    from collections.abc import Iterator
+    from collections.abc import Set as AbstractSet
     from dis import Instruction
 
     if sys.version_info >= (3, 10):
diff --git a/py-polars/polars/convert/general.py b/py-polars/polars/convert/general.py
index 6046fad41449..cee4b925e9e9 100644
--- a/py-polars/polars/convert/general.py
+++ b/py-polars/polars/convert/general.py
@@ -3,7 +3,7 @@
 import io
 import itertools
 import re
-from collections.abc import Iterable, Mapping, Sequence
+from collections.abc import Iterable, Sequence
 from typing import TYPE_CHECKING, Any, overload
 
 import polars._reexport as pl
@@ -25,6 +25,8 @@
 from polars.exceptions import NoDataError
 
 if TYPE_CHECKING:
+    from collections.abc import Mapping
+
     from polars import DataFrame, Series
     from polars._typing import Orientation, SchemaDefinition, SchemaDict
     from polars.dependencies import numpy as np
diff --git a/py-polars/polars/convert/normalize.py b/py-polars/polars/convert/normalize.py
index c90a8f4033e2..d6e24ddc8af5 100644
--- a/py-polars/polars/convert/normalize.py
+++ b/py-polars/polars/convert/normalize.py
@@ -4,7 +4,6 @@
 
 import json
 from collections import abc
-from collections.abc import Sequence
 from typing import TYPE_CHECKING, Any
 
 from polars._utils.unstable import unstable
@@ -12,20 +11,13 @@
 from polars.datatypes.constants import N_INFER_DEFAULT
 
 if TYPE_CHECKING:
-    from polars.schema import Schema
-
-import sys
+    from collections.abc import Sequence
 
-if sys.version_info >= (3, 9):
+    from polars.schema import Schema
 
-    def _remove_prefix(text: str, prefix: str) -> str:
-        return text.removeprefix(prefix)
-else:
 
-    def _remove_prefix(text: str, prefix: str) -> str:
-        if text.startswith(prefix):
-            return text[len(prefix) :]
-        return text
+def _remove_prefix(text: str, prefix: str) -> str:
+    return text.removeprefix(prefix)
 
 
 def _simple_json_normalize(
diff --git a/py-polars/polars/dataframe/_html.py b/py-polars/polars/dataframe/_html.py
index e5c870b2d030..6f034eab0f41 100644
--- a/py-polars/polars/dataframe/_html.py
+++ b/py-polars/polars/dataframe/_html.py
@@ -3,13 +3,13 @@
 from __future__ import annotations
 
 import os
-from collections.abc import Iterable
 from textwrap import dedent
 from typing import TYPE_CHECKING
 
 from polars.dependencies import html
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable
     from types import TracebackType
 
     from polars import DataFrame
diff --git a/py-polars/polars/dataframe/frame.py b/py-polars/polars/dataframe/frame.py
index 970641eb0e60..911d057a1f46 100644
--- a/py-polars/polars/dataframe/frame.py
+++ b/py-polars/polars/dataframe/frame.py
@@ -7,11 +7,8 @@
 import random
 from collections import defaultdict
 from collections.abc import (
-    Collection,
     Generator,
     Iterable,
-    Iterator,
-    Mapping,
     Sequence,
     Sized,
 )
@@ -117,6 +114,11 @@
 
 if TYPE_CHECKING:
     import sys
+    from collections.abc import (
+        Collection,
+        Iterator,
+        Mapping,
+    )
     from datetime import timedelta
     from io import IOBase
     from typing import Literal
@@ -3975,8 +3977,9 @@ def unpack_table_name(name: str) -> tuple[str | None, str | None, str]:
                 else (connection, False)
             )
             with (
-                conn if can_close_conn else contextlib.nullcontext()
-            ), conn.cursor() as cursor:
+                conn if can_close_conn else contextlib.nullcontext(),
+                conn.cursor() as cursor,
+            ):
                 catalog, db_schema, unpacked_table_name = unpack_table_name(table_name)
                 n_rows: int
                 if adbc_version >= (0, 7):
diff --git a/py-polars/polars/dataframe/group_by.py b/py-polars/polars/dataframe/group_by.py
index 13840a87686c..ce3cf054a7a0 100644
--- a/py-polars/polars/dataframe/group_by.py
+++ b/py-polars/polars/dataframe/group_by.py
@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-from collections.abc import Iterable
 from typing import TYPE_CHECKING, Callable
 
 from polars import functions as F
@@ -9,6 +8,7 @@
 
 if TYPE_CHECKING:
     import sys
+    from collections.abc import Iterable
     from datetime import timedelta
 
     from polars import DataFrame
diff --git a/py-polars/polars/dataframe/plotting.py b/py-polars/polars/dataframe/plotting.py
index 75a2b92aa09e..11828cd54ebc 100644
--- a/py-polars/polars/dataframe/plotting.py
+++ b/py-polars/polars/dataframe/plotting.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import TYPE_CHECKING, Callable, Dict, Union
+from typing import TYPE_CHECKING, Callable, Union
 
 from polars.dependencies import altair as alt
 
@@ -27,7 +27,7 @@
         from typing_extensions import Unpack
 
     Encoding: TypeAlias = Union[X, Y, Color, Order, Size, Tooltip]
-    Encodings: TypeAlias = Dict[str, Encoding]
+    Encodings: TypeAlias = dict[str, Encoding]
 
 
 def _maybe_extract_shorthand(encoding: Encoding) -> Encoding:
diff --git a/py-polars/polars/datatypes/classes.py b/py-polars/polars/datatypes/classes.py
index c9f47f203e7a..bb538b4f01e8 100644
--- a/py-polars/polars/datatypes/classes.py
+++ b/py-polars/polars/datatypes/classes.py
@@ -2,7 +2,7 @@
 
 import contextlib
 from collections import OrderedDict
-from collections.abc import Iterable, Iterator, Mapping, Sequence
+from collections.abc import Mapping
 from datetime import timezone
 from inspect import isclass
 from typing import TYPE_CHECKING, Any
@@ -15,6 +15,8 @@
     from polars.polars import dtype_str_repr as _dtype_str_repr
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable, Iterator, Sequence
+
     from polars import Series
     from polars._typing import (
         CategoricalOrdering,
diff --git a/py-polars/polars/datatypes/constructor.py b/py-polars/polars/datatypes/constructor.py
index 8a2a59a6622e..bcd77f9b54a0 100644
--- a/py-polars/polars/datatypes/constructor.py
+++ b/py-polars/polars/datatypes/constructor.py
@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import functools
-from collections.abc import Sequence
 from decimal import Decimal as PyDecimal
 from typing import TYPE_CHECKING, Any, Callable
 
@@ -17,6 +16,8 @@
     _DOCUMENTING = True
 
 if TYPE_CHECKING:
+    from collections.abc import Sequence
+
     from polars._typing import PolarsDataType
 
 if not _DOCUMENTING:
diff --git a/py-polars/polars/datatypes/group.py b/py-polars/polars/datatypes/group.py
index e96fb01a5537..3332dd4a7e7f 100644
--- a/py-polars/polars/datatypes/group.py
+++ b/py-polars/polars/datatypes/group.py
@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-from collections.abc import Iterable
 from typing import TYPE_CHECKING, Any
 
 from polars.datatypes.classes import (
@@ -28,6 +27,7 @@
 
 if TYPE_CHECKING:
     import sys
+    from collections.abc import Iterable
 
     from polars._typing import (
         PolarsDataType,
diff --git a/py-polars/polars/dependencies.py b/py-polars/polars/dependencies.py
index 74e716bb5b4b..9770c2035ce8 100644
--- a/py-polars/polars/dependencies.py
+++ b/py-polars/polars/dependencies.py
@@ -150,6 +150,7 @@ def _lazy_import(module_name: str) -> tuple[ModuleType, bool]:
     import json
     import pickle
     import subprocess
+    import zoneinfo
 
     import altair
     import deltalake
@@ -162,11 +163,6 @@ def _lazy_import(module_name: str) -> tuple[ModuleType, bool]:
     import pyarrow
     import pydantic
     import pyiceberg
-
-    if sys.version_info >= (3, 9):
-        import zoneinfo
-    else:
-        from backports import zoneinfo
 else:
     # infrequently-used builtins
     dataclasses, _ = _lazy_import("dataclasses")
diff --git a/py-polars/polars/expr/datetime.py b/py-polars/polars/expr/datetime.py
index b8c4e7e0a037..9aaed1352d09 100644
--- a/py-polars/polars/expr/datetime.py
+++ b/py-polars/polars/expr/datetime.py
@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import datetime as dt
-from collections.abc import Iterable
 from typing import TYPE_CHECKING
 
 import polars._reexport as pl
@@ -14,6 +13,8 @@
 from polars.datatypes import DTYPE_TEMPORAL_UNITS, Date, Int32
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable
+
     from polars import Expr
     from polars._typing import (
         Ambiguous,
diff --git a/py-polars/polars/expr/expr.py b/py-polars/polars/expr/expr.py
index c764c20a95f8..341f99876b21 100644
--- a/py-polars/polars/expr/expr.py
+++ b/py-polars/polars/expr/expr.py
@@ -4,7 +4,7 @@
 import math
 import operator
 import warnings
-from collections.abc import Collection, Iterable, Mapping, Sequence
+from collections.abc import Collection, Mapping, Sequence
 from datetime import timedelta
 from functools import reduce
 from io import BytesIO, StringIO
@@ -14,9 +14,7 @@
     Any,
     Callable,
     ClassVar,
-    FrozenSet,
     NoReturn,
-    Set,
     TypeVar,
 )
 
@@ -66,6 +64,7 @@
 
 if TYPE_CHECKING:
     import sys
+    from collections.abc import Iterable
     from io import IOBase
 
     from polars import DataFrame, LazyFrame, Series
@@ -5768,7 +5767,7 @@ def is_in(self, other: Expr | Collection[Any] | Series) -> Expr:
         └───────────┴──────────────────┴──────────┘
         """
         if isinstance(other, Collection) and not isinstance(other, str):
-            if isinstance(other, (Set, FrozenSet)):
+            if isinstance(other, (set, frozenset)):
                 other = list(other)
             other = F.lit(pl.Series(other))._pyexpr
         else:
diff --git a/py-polars/polars/expr/struct.py b/py-polars/polars/expr/struct.py
index 127f78eba057..57b8b6eddfb3 100644
--- a/py-polars/polars/expr/struct.py
+++ b/py-polars/polars/expr/struct.py
@@ -1,13 +1,14 @@
 from __future__ import annotations
 
 import os
-from collections.abc import Iterable, Sequence
 from typing import TYPE_CHECKING
 
 from polars._utils.parse import parse_into_list_of_expressions
 from polars._utils.wrap import wrap_expr
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable, Sequence
+
     from polars import Expr
     from polars._typing import IntoExpr
 
diff --git a/py-polars/polars/expr/whenthen.py b/py-polars/polars/expr/whenthen.py
index e063a75b85a2..65ad722f2cce 100644
--- a/py-polars/polars/expr/whenthen.py
+++ b/py-polars/polars/expr/whenthen.py
@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-from collections.abc import Iterable
 from typing import TYPE_CHECKING, Any
 
 import polars.functions as F
@@ -12,6 +11,8 @@
 from polars.expr.expr import Expr
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable
+
     from polars._typing import IntoExpr
     from polars.polars import PyExpr
 
diff --git a/py-polars/polars/functions/aggregation/horizontal.py b/py-polars/polars/functions/aggregation/horizontal.py
index c3a49b8c2521..5406a77d287d 100644
--- a/py-polars/polars/functions/aggregation/horizontal.py
+++ b/py-polars/polars/functions/aggregation/horizontal.py
@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import contextlib
-from collections.abc import Iterable
 from typing import TYPE_CHECKING
 
 import polars.functions as F
@@ -13,6 +12,8 @@
     import polars.polars as plr
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable
+
     from polars import Expr
     from polars._typing import IntoExpr
 
diff --git a/py-polars/polars/functions/as_datatype.py b/py-polars/polars/functions/as_datatype.py
index 12c896524b09..30398daa01d9 100644
--- a/py-polars/polars/functions/as_datatype.py
+++ b/py-polars/polars/functions/as_datatype.py
@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import contextlib
-from collections.abc import Iterable
 from typing import TYPE_CHECKING, overload
 
 from polars import functions as F
@@ -17,6 +16,7 @@
 
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable
     from typing import Literal
 
     from polars import Expr, Series
diff --git a/py-polars/polars/functions/business.py b/py-polars/polars/functions/business.py
index 6877e215ead3..2f92c40e987e 100644
--- a/py-polars/polars/functions/business.py
+++ b/py-polars/polars/functions/business.py
@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import contextlib
-from collections.abc import Iterable
 from datetime import date
 from typing import TYPE_CHECKING
 
@@ -12,6 +11,8 @@
     import polars.polars as plr
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable
+
     from polars import Expr
     from polars._typing import IntoExprColumn
 
diff --git a/py-polars/polars/functions/eager.py b/py-polars/polars/functions/eager.py
index a1b06ce36b17..e65f4aa949c0 100644
--- a/py-polars/polars/functions/eager.py
+++ b/py-polars/polars/functions/eager.py
@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 import contextlib
-from collections.abc import Iterable, Sequence
+from collections.abc import Sequence
 from functools import reduce
 from itertools import chain
 from typing import TYPE_CHECKING, get_args
@@ -17,6 +17,8 @@
     import polars.polars as plr
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable
+
     from polars import DataFrame, Expr, LazyFrame, Series
     from polars._typing import FrameType, JoinStrategy, PolarsType
 
diff --git a/py-polars/polars/functions/lazy.py b/py-polars/polars/functions/lazy.py
index 8f754aa04b2a..61cead9871d8 100644
--- a/py-polars/polars/functions/lazy.py
+++ b/py-polars/polars/functions/lazy.py
@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 import contextlib
-from collections.abc import Iterable, Sequence
+from collections.abc import Sequence
 from typing import TYPE_CHECKING, Any, Callable, overload
 
 import polars._reexport as pl
@@ -21,7 +21,7 @@
     import polars.polars as plr
 
 if TYPE_CHECKING:
-    from collections.abc import Awaitable, Collection
+    from collections.abc import Awaitable, Collection, Iterable
     from typing import Literal
 
     from polars import DataFrame, Expr, LazyFrame, Series
diff --git a/py-polars/polars/functions/whenthen.py b/py-polars/polars/functions/whenthen.py
index 1d2a7ae542ea..b9d9040cceb3 100644
--- a/py-polars/polars/functions/whenthen.py
+++ b/py-polars/polars/functions/whenthen.py
@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import contextlib
-from collections.abc import Iterable
 from typing import TYPE_CHECKING, Any
 
 import polars._reexport as pl
@@ -11,6 +10,8 @@
     import polars.polars as plr
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable
+
     from polars._typing import IntoExprColumn
 
 
diff --git a/py-polars/polars/interchange/protocol.py b/py-polars/polars/interchange/protocol.py
index 07adc753a014..4865baa35ae6 100644
--- a/py-polars/polars/interchange/protocol.py
+++ b/py-polars/polars/interchange/protocol.py
@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-from collections.abc import Iterable, Sequence
 from enum import IntEnum
 from typing import (
     TYPE_CHECKING,
@@ -8,7 +7,6 @@
     ClassVar,
     Literal,
     Protocol,
-    Tuple,
     TypedDict,
 )
 
@@ -16,6 +14,7 @@
 
 if TYPE_CHECKING:
     import sys
+    from collections.abc import Iterable, Sequence
 
     from polars.interchange.buffer import PolarsBuffer
     from polars.interchange.column import PolarsColumn
@@ -70,7 +69,7 @@ class DtypeKind(IntEnum):
     CATEGORICAL = 23
 
 
-Dtype: TypeAlias = Tuple[DtypeKind, int, str, str]  # see Column.dtype
+Dtype: TypeAlias = tuple[DtypeKind, int, str, str]  # see Column.dtype
 
 
 class ColumnNullType(IntEnum):
diff --git a/py-polars/polars/io/_utils.py b/py-polars/polars/io/_utils.py
index b6056b36c13e..68d4b604d6a6 100644
--- a/py-polars/polars/io/_utils.py
+++ b/py-polars/polars/io/_utils.py
@@ -2,16 +2,19 @@
 
 import glob
 import re
-from collections.abc import Iterator, Sequence
 from contextlib import contextmanager
 from io import BytesIO, StringIO
 from pathlib import Path
-from typing import IO, Any, ContextManager, overload
+from typing import IO, TYPE_CHECKING, Any, overload
 
 from polars._utils.various import is_int_sequence, is_str_sequence, normalize_filepath
 from polars.dependencies import _FSSPEC_AVAILABLE, fsspec
 from polars.exceptions import NoDataError
 
+if TYPE_CHECKING:
+    from collections.abc import Iterator, Sequence
+    from contextlib import AbstractContextManager as ContextManager
+
 
 def parse_columns_arg(
     columns: Sequence[str] | Sequence[int] | str | int | None,
diff --git a/py-polars/polars/io/csv/_utils.py b/py-polars/polars/io/csv/_utils.py
index 9973a4b49daf..bdc910de5aa4 100644
--- a/py-polars/polars/io/csv/_utils.py
+++ b/py-polars/polars/io/csv/_utils.py
@@ -1,9 +1,10 @@
 from __future__ import annotations
 
-from collections.abc import Sequence
 from typing import TYPE_CHECKING
 
 if TYPE_CHECKING:
+    from collections.abc import Sequence
+
     from polars import DataFrame
 
 
diff --git a/py-polars/polars/io/csv/functions.py b/py-polars/polars/io/csv/functions.py
index d019c86e889b..2e0562ceaee7 100644
--- a/py-polars/polars/io/csv/functions.py
+++ b/py-polars/polars/io/csv/functions.py
@@ -2,7 +2,7 @@
 
 import contextlib
 import os
-from collections.abc import Mapping, Sequence
+from collections.abc import Sequence
 from io import BytesIO, StringIO
 from pathlib import Path
 from typing import IO, TYPE_CHECKING, Any, Callable
@@ -31,6 +31,8 @@
     from polars.polars import PyDataFrame, PyLazyFrame
 
 if TYPE_CHECKING:
+    from collections.abc import Mapping
+
     from polars import DataFrame, LazyFrame
     from polars._typing import CsvEncoding, PolarsDataType, SchemaDict
 
diff --git a/py-polars/polars/io/database/_cursor_proxies.py b/py-polars/polars/io/database/_cursor_proxies.py
index c86b26c15aa6..d25abc3acce5 100644
--- a/py-polars/polars/io/database/_cursor_proxies.py
+++ b/py-polars/polars/io/database/_cursor_proxies.py
@@ -1,13 +1,12 @@
 from __future__ import annotations
 
-from collections.abc import Iterable
 from typing import TYPE_CHECKING, Any
 
 from polars.io.database._utils import _run_async
 
 if TYPE_CHECKING:
     import sys
-    from collections.abc import Coroutine
+    from collections.abc import Coroutine, Iterable
 
     import pyarrow as pa
 
diff --git a/py-polars/polars/io/database/_executor.py b/py-polars/polars/io/database/_executor.py
index 32b369e9aa62..278e3e8e0738 100644
--- a/py-polars/polars/io/database/_executor.py
+++ b/py-polars/polars/io/database/_executor.py
@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 import re
-from collections.abc import Coroutine, Iterable, Sequence
+from collections.abc import Coroutine, Sequence
 from contextlib import suppress
 from inspect import Parameter, signature
 from typing import TYPE_CHECKING, Any
@@ -22,7 +22,7 @@
 
 if TYPE_CHECKING:
     import sys
-    from collections.abc import Iterator
+    from collections.abc import Iterable, Iterator
     from types import TracebackType
 
     import pyarrow as pa
diff --git a/py-polars/polars/io/database/functions.py b/py-polars/polars/io/database/functions.py
index 30d43d37e49a..ac5dcaaac3e7 100644
--- a/py-polars/polars/io/database/functions.py
+++ b/py-polars/polars/io/database/functions.py
@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import re
-from collections.abc import Iterable
 from typing import TYPE_CHECKING, Any, Literal, overload
 
 from polars.datatypes import N_INFER_DEFAULT
@@ -11,6 +10,7 @@
 
 if TYPE_CHECKING:
     import sys
+    from collections.abc import Iterable
 
     if sys.version_info >= (3, 10):
         from typing import TypeAlias
diff --git a/py-polars/polars/io/ipc/functions.py b/py-polars/polars/io/ipc/functions.py
index 0a4e2ab83a50..6d64a560d094 100644
--- a/py-polars/polars/io/ipc/functions.py
+++ b/py-polars/polars/io/ipc/functions.py
@@ -2,7 +2,6 @@
 
 import contextlib
 import os
-from collections.abc import Sequence
 from pathlib import Path
 from typing import IO, TYPE_CHECKING, Any
 
@@ -29,6 +28,8 @@
     from polars.polars import read_ipc_schema as _read_ipc_schema
 
 if TYPE_CHECKING:
+    from collections.abc import Sequence
+
     from polars import DataFrame, DataType, LazyFrame
     from polars._typing import SchemaDict
 
diff --git a/py-polars/polars/io/spreadsheet/_utils.py b/py-polars/polars/io/spreadsheet/_utils.py
index 173a1c744251..c535662fa33b 100644
--- a/py-polars/polars/io/spreadsheet/_utils.py
+++ b/py-polars/polars/io/spreadsheet/_utils.py
@@ -1,9 +1,11 @@
 from __future__ import annotations
 
-from collections.abc import Iterator
 from contextlib import contextmanager
 from pathlib import Path
-from typing import Any, cast
+from typing import TYPE_CHECKING, Any, cast
+
+if TYPE_CHECKING:
+    from collections.abc import Iterator
 
 
 @contextmanager
diff --git a/py-polars/polars/io/spreadsheet/_write_utils.py b/py-polars/polars/io/spreadsheet/_write_utils.py
index a8a627fa0880..8489b359a416 100644
--- a/py-polars/polars/io/spreadsheet/_write_utils.py
+++ b/py-polars/polars/io/spreadsheet/_write_utils.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from collections.abc import Iterable, Sequence
+from collections.abc import Sequence
 from io import BytesIO
 from pathlib import Path
 from typing import TYPE_CHECKING, Any, overload
@@ -22,6 +22,7 @@
 from polars.selectors import _expand_selector_dicts, _expand_selectors, numeric
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable
     from typing import Literal
 
     from xlsxwriter import Workbook
diff --git a/py-polars/polars/lazyframe/frame.py b/py-polars/polars/lazyframe/frame.py
index 31802477078d..9e65f918d385 100644
--- a/py-polars/polars/lazyframe/frame.py
+++ b/py-polars/polars/lazyframe/frame.py
@@ -3,7 +3,7 @@
 import contextlib
 import os
 import warnings
-from collections.abc import Collection, Iterable, Mapping, Sequence
+from collections.abc import Collection, Mapping
 from datetime import date, datetime, time, timedelta
 from functools import lru_cache, partial, reduce
 from io import BytesIO, StringIO
@@ -88,7 +88,7 @@
 
 if TYPE_CHECKING:
     import sys
-    from collections.abc import Awaitable
+    from collections.abc import Awaitable, Iterable, Sequence
     from io import IOBase
     from typing import Literal
 
diff --git a/py-polars/polars/lazyframe/group_by.py b/py-polars/polars/lazyframe/group_by.py
index 26f7e7a50a90..1143ea9c4831 100644
--- a/py-polars/polars/lazyframe/group_by.py
+++ b/py-polars/polars/lazyframe/group_by.py
@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-from collections.abc import Iterable
 from typing import TYPE_CHECKING, Callable
 
 from polars import functions as F
@@ -9,6 +8,8 @@
 from polars._utils.wrap import wrap_ldf
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable
+
     from polars import DataFrame, LazyFrame
     from polars._typing import IntoExpr, RollingInterpolationMethod, SchemaDict
     from polars.polars import PyLazyGroupBy
diff --git a/py-polars/polars/ml/torch.py b/py-polars/polars/ml/torch.py
index 3b9838ee48d4..f92f2ab30fe9 100644
--- a/py-polars/polars/ml/torch.py
+++ b/py-polars/polars/ml/torch.py
@@ -1,7 +1,6 @@
 # mypy: disable-error-code="unused-ignore"
 from __future__ import annotations
 
-from collections.abc import Sequence
 from typing import TYPE_CHECKING
 
 from polars._utils.unstable import issue_unstable_warning
@@ -11,6 +10,7 @@
 
 if TYPE_CHECKING:
     import sys
+    from collections.abc import Sequence
 
     from torch import Tensor, memory_format
 
diff --git a/py-polars/polars/plugins.py b/py-polars/polars/plugins.py
index 832ce836751a..a501f8b5ed09 100644
--- a/py-polars/polars/plugins.py
+++ b/py-polars/polars/plugins.py
@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import contextlib
-from collections.abc import Iterable
 from functools import lru_cache
 from pathlib import Path
 from typing import TYPE_CHECKING, Any
@@ -13,6 +12,8 @@
     import polars.polars as plr
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable
+
     from polars import Expr
     from polars._typing import IntoExpr
 
diff --git a/py-polars/polars/schema.py b/py-polars/polars/schema.py
index cec526744cc2..72eb8b86d25e 100644
--- a/py-polars/polars/schema.py
+++ b/py-polars/polars/schema.py
@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 from collections import OrderedDict
-from collections.abc import Iterable, Mapping
+from collections.abc import Mapping
 from typing import TYPE_CHECKING
 
 from polars.datatypes import DataType
@@ -10,6 +10,8 @@
 BaseSchema = OrderedDict[str, DataType]
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable
+
     from polars._typing import PythonDataType
 
 
diff --git a/py-polars/polars/series/array.py b/py-polars/polars/series/array.py
index 4d4fcd2c1a69..877ec303fcfb 100644
--- a/py-polars/polars/series/array.py
+++ b/py-polars/polars/series/array.py
@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-from collections.abc import Sequence
 from typing import TYPE_CHECKING, Callable
 
 from polars import functions as F
@@ -8,6 +7,7 @@
 from polars.series.utils import expr_dispatch
 
 if TYPE_CHECKING:
+    from collections.abc import Sequence
     from datetime import date, datetime, time
 
     from polars import Series
diff --git a/py-polars/polars/series/datetime.py b/py-polars/polars/series/datetime.py
index 4b640c5e1ae3..dcf65ff15312 100644
--- a/py-polars/polars/series/datetime.py
+++ b/py-polars/polars/series/datetime.py
@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-from collections.abc import Iterable
 from typing import TYPE_CHECKING
 
 from polars._utils.deprecation import deprecate_function
@@ -10,6 +9,7 @@
 
 if TYPE_CHECKING:
     import datetime as dt
+    from collections.abc import Iterable
 
     from polars import Expr, Series
     from polars._typing import (
diff --git a/py-polars/polars/series/list.py b/py-polars/polars/series/list.py
index 5975b5715b55..cf70f5225f56 100644
--- a/py-polars/polars/series/list.py
+++ b/py-polars/polars/series/list.py
@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-from collections.abc import Sequence
 from typing import TYPE_CHECKING, Any, Callable
 
 from polars import functions as F
@@ -8,6 +7,7 @@
 from polars.series.utils import expr_dispatch
 
 if TYPE_CHECKING:
+    from collections.abc import Sequence
     from datetime import date, datetime, time
 
     from polars import Expr, Series
diff --git a/py-polars/polars/series/series.py b/py-polars/polars/series/series.py
index 9ec5b5f402de..c66d1f0a4abc 100644
--- a/py-polars/polars/series/series.py
+++ b/py-polars/polars/series/series.py
@@ -3,7 +3,7 @@
 import contextlib
 import math
 import os
-from collections.abc import Collection, Generator, Iterable, Mapping, Sequence
+from collections.abc import Iterable, Sequence
 from contextlib import nullcontext
 from datetime import date, datetime, time, timedelta
 from decimal import Decimal as PyDecimal
@@ -110,6 +110,7 @@
 
 if TYPE_CHECKING:
     import sys
+    from collections.abc import Collection, Generator, Mapping
 
     import jax
     import numpy.typing as npt
diff --git a/py-polars/polars/series/string.py b/py-polars/polars/series/string.py
index 4ac977d89fa3..af9ce66850c4 100644
--- a/py-polars/polars/series/string.py
+++ b/py-polars/polars/series/string.py
@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-from collections.abc import Mapping
 from typing import TYPE_CHECKING
 
 from polars._utils.deprecation import deprecate_function
@@ -10,6 +9,8 @@
 from polars.series.utils import expr_dispatch
 
 if TYPE_CHECKING:
+    from collections.abc import Mapping
+
     from polars import Expr, Series
     from polars._typing import (
         Ambiguous,
diff --git a/py-polars/polars/series/struct.py b/py-polars/polars/series/struct.py
index 8327da79b8a4..e8137a23be32 100644
--- a/py-polars/polars/series/struct.py
+++ b/py-polars/polars/series/struct.py
@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-from collections.abc import Sequence
 from typing import TYPE_CHECKING
 
 from polars._utils.various import BUILDING_SPHINX_DOCS, sphinx_accessor
@@ -9,6 +8,8 @@
 from polars.series.utils import expr_dispatch
 
 if TYPE_CHECKING:
+    from collections.abc import Sequence
+
     from polars import DataFrame, Series
     from polars.polars import PySeries
 elif BUILDING_SPHINX_DOCS:
diff --git a/py-polars/polars/sql/context.py b/py-polars/polars/sql/context.py
index f2396307d05a..c48290e547c4 100644
--- a/py-polars/polars/sql/context.py
+++ b/py-polars/polars/sql/context.py
@@ -2,7 +2,6 @@
 
 import contextlib
 import re
-from collections.abc import Collection, Mapping
 from typing import (
     TYPE_CHECKING,
     Callable,
@@ -29,6 +28,7 @@
 
 if TYPE_CHECKING:
     import sys
+    from collections.abc import Collection, Mapping
     from types import TracebackType
     from typing import Any, Final, Literal
 
diff --git a/py-polars/polars/testing/parametric/strategies/core.py b/py-polars/polars/testing/parametric/strategies/core.py
index fbe48f377003..984853afe057 100644
--- a/py-polars/polars/testing/parametric/strategies/core.py
+++ b/py-polars/polars/testing/parametric/strategies/core.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from collections.abc import Collection, Mapping, Sequence
+from collections.abc import Mapping
 from dataclasses import dataclass
 from typing import TYPE_CHECKING, Any, overload
 
@@ -17,6 +17,7 @@
 from polars.testing.parametric.strategies.dtype import _instantiate_dtype, dtypes
 
 if TYPE_CHECKING:
+    from collections.abc import Collection, Sequence
     from typing import Literal
 
     from hypothesis.strategies import DrawFn, SearchStrategy
diff --git a/py-polars/polars/testing/parametric/strategies/data.py b/py-polars/polars/testing/parametric/strategies/data.py
index 0566876bc58f..f63b6d8a8945 100644
--- a/py-polars/polars/testing/parametric/strategies/data.py
+++ b/py-polars/polars/testing/parametric/strategies/data.py
@@ -3,7 +3,7 @@
 from __future__ import annotations
 
 import decimal
-from collections.abc import Mapping, Sequence
+from collections.abc import Mapping
 from datetime import datetime, timedelta, timezone
 from typing import TYPE_CHECKING, Any, Literal
 
@@ -61,6 +61,7 @@
 )
 
 if TYPE_CHECKING:
+    from collections.abc import Sequence
     from datetime import date, time
 
     from hypothesis.strategies import SearchStrategy
diff --git a/py-polars/polars/testing/parametric/strategies/dtype.py b/py-polars/polars/testing/parametric/strategies/dtype.py
index 75fe13e3052e..fff1ad58c726 100644
--- a/py-polars/polars/testing/parametric/strategies/dtype.py
+++ b/py-polars/polars/testing/parametric/strategies/dtype.py
@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-from collections.abc import Collection, Sequence
 from typing import TYPE_CHECKING
 
 import hypothesis.strategies as st
@@ -36,6 +35,8 @@
 )
 
 if TYPE_CHECKING:
+    from collections.abc import Collection, Sequence
+
     from hypothesis.strategies import DrawFn, SearchStrategy
 
     from polars._typing import CategoricalOrdering, PolarsDataType, TimeUnit
diff --git a/py-polars/tests/docs/run_doctest.py b/py-polars/tests/docs/run_doctest.py
index dec347ea47ea..404070deae85 100644
--- a/py-polars/tests/docs/run_doctest.py
+++ b/py-polars/tests/docs/run_doctest.py
@@ -35,7 +35,6 @@
 import sys
 import unittest
 import warnings
-from collections.abc import Iterator
 from pathlib import Path
 from tempfile import TemporaryDirectory
 from typing import TYPE_CHECKING, Any
@@ -43,6 +42,7 @@
 import polars as pl
 
 if TYPE_CHECKING:
+    from collections.abc import Iterator
     from types import ModuleType
 
 
diff --git a/py-polars/tests/unit/conftest.py b/py-polars/tests/unit/conftest.py
index 436e3282255a..ead5bee2c265 100644
--- a/py-polars/tests/unit/conftest.py
+++ b/py-polars/tests/unit/conftest.py
@@ -6,8 +6,7 @@
 import string
 import sys
 import tracemalloc
-from collections.abc import Generator
-from typing import Any, List, cast
+from typing import TYPE_CHECKING, Any, cast
 
 import numpy as np
 import pytest
@@ -15,6 +14,9 @@
 import polars as pl
 from polars.testing.parametric import load_profile
 
+if TYPE_CHECKING:
+    from collections.abc import Generator
+
 load_profile(
     profile=os.environ.get("POLARS_HYPOTHESIS_PROFILE", "fast"),  # type: ignore[arg-type]
 )
@@ -129,7 +131,7 @@ def str_ints_df() -> pl.DataFrame:
 
 @pytest.fixture(params=ISO8601_FORMATS_DATETIME)
 def iso8601_format_datetime(request: pytest.FixtureRequest) -> list[str]:
-    return cast(List[str], request.param)
+    return cast(list[str], request.param)
 
 
 ISO8601_TZ_AWARE_FORMATS_DATETIME = []
@@ -152,7 +154,7 @@ def iso8601_format_datetime(request: pytest.FixtureRequest) -> list[str]:
 
 @pytest.fixture(params=ISO8601_TZ_AWARE_FORMATS_DATETIME)
 def iso8601_tz_aware_format_datetime(request: pytest.FixtureRequest) -> list[str]:
-    return cast(List[str], request.param)
+    return cast(list[str], request.param)
 
 
 ISO8601_FORMATS_DATE = []
@@ -164,7 +166,7 @@ def iso8601_tz_aware_format_datetime(request: pytest.FixtureRequest) -> list[str
 
 @pytest.fixture(params=ISO8601_FORMATS_DATE)
 def iso8601_format_date(request: pytest.FixtureRequest) -> list[str]:
-    return cast(List[str], request.param)
+    return cast(list[str], request.param)
 
 
 class MemoryUsage:
diff --git a/py-polars/tests/unit/constructors/test_constructors.py b/py-polars/tests/unit/constructors/test_constructors.py
index fd4437859a46..d340433ddf10 100644
--- a/py-polars/tests/unit/constructors/test_constructors.py
+++ b/py-polars/tests/unit/constructors/test_constructors.py
@@ -4,7 +4,7 @@
 from datetime import date, datetime, time, timedelta, timezone
 from decimal import Decimal
 from random import shuffle
-from typing import TYPE_CHECKING, Any, List, Literal, NamedTuple
+from typing import TYPE_CHECKING, Any, Literal, NamedTuple
 
 import numpy as np
 import pandas as pd
@@ -280,7 +280,7 @@ class PageView(BaseModel):
         "top": 123
     }]
     """
-    adapter: TypeAdapter[Any] = TypeAdapter(List[PageView])
+    adapter: TypeAdapter[Any] = TypeAdapter(list[PageView])
     models = adapter.validate_json(data_json)
 
     result = pl.DataFrame(models)
diff --git a/py-polars/tests/unit/constructors/test_dataframe.py b/py-polars/tests/unit/constructors/test_dataframe.py
index 180b2de39e41..5e56630e7552 100644
--- a/py-polars/tests/unit/constructors/test_dataframe.py
+++ b/py-polars/tests/unit/constructors/test_dataframe.py
@@ -2,14 +2,17 @@
 
 import sys
 from collections import OrderedDict
-from collections.abc import Iterator, Mapping
-from typing import Any
+from collections.abc import Mapping
+from typing import TYPE_CHECKING, Any
 
 import pytest
 
 import polars as pl
 from polars.exceptions import DataOrientationWarning, InvalidOperationError
 
+if TYPE_CHECKING:
+    from collections.abc import Iterator
+
 
 def test_df_mixed_dtypes_string() -> None:
     data = {"x": [["abc", 12, 34.5]], "y": [1]}
diff --git a/py-polars/tests/unit/dataframe/test_df.py b/py-polars/tests/unit/dataframe/test_df.py
index 9af77bf58c92..2389bef36c88 100644
--- a/py-polars/tests/unit/dataframe/test_df.py
+++ b/py-polars/tests/unit/dataframe/test_df.py
@@ -3,7 +3,6 @@
 import sys
 import typing
 from collections import OrderedDict
-from collections.abc import Iterator, Sequence
 from datetime import date, datetime, time, timedelta, timezone
 from decimal import Decimal
 from io import BytesIO
@@ -33,6 +32,7 @@
 from tests.unit.conftest import INTEGER_DTYPES
 
 if TYPE_CHECKING:
+    from collections.abc import Iterator, Sequence
     from zoneinfo import ZoneInfo
 
     from polars import Expr
diff --git a/py-polars/tests/unit/datatypes/test_parse.py b/py-polars/tests/unit/datatypes/test_parse.py
index c95763033b32..0979292e8e50 100644
--- a/py-polars/tests/unit/datatypes/test_parse.py
+++ b/py-polars/tests/unit/datatypes/test_parse.py
@@ -4,12 +4,9 @@
 from typing import (
     TYPE_CHECKING,
     Any,
-    Dict,
     ForwardRef,
-    List,
     NamedTuple,
     Optional,
-    Tuple,
     Union,
 )
 
@@ -63,9 +60,9 @@ def test_parse_py_type_into_dtype(input: Any, expected: PolarsDataType) -> None:
 @pytest.mark.parametrize(
     ("input", "expected"),
     [
-        (List[int], pl.List(pl.Int64())),
-        (Tuple[str, ...], pl.List(pl.String())),
-        (Tuple[datetime, datetime], pl.List(pl.Datetime("us"))),
+        (list[int], pl.List(pl.Int64())),
+        (tuple[str, ...], pl.List(pl.String())),
+        (tuple[datetime, datetime], pl.List(pl.Datetime("us"))),
     ],
 )
 def test_parse_generic_into_dtype(input: Any, expected: PolarsDataType) -> None:
@@ -76,9 +73,9 @@ def test_parse_generic_into_dtype(input: Any, expected: PolarsDataType) -> None:
 @pytest.mark.parametrize(
     "input",
     [
-        Dict[str, float],
-        Tuple[int, str],
-        Tuple[int, float, float],
+        dict[str, float],
+        tuple[int, str],
+        tuple[int, float, float],
     ],
 )
 def test_parse_generic_into_dtype_invalid(input: Any) -> None:
diff --git a/py-polars/tests/unit/io/cloud/test_aws.py b/py-polars/tests/unit/io/cloud/test_aws.py
index 7b6625786611..6f2116421822 100644
--- a/py-polars/tests/unit/io/cloud/test_aws.py
+++ b/py-polars/tests/unit/io/cloud/test_aws.py
@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import multiprocessing
-from collections.abc import Iterator
 from typing import TYPE_CHECKING, Any, Callable
 
 import boto3
@@ -12,6 +11,7 @@
 from polars.testing import assert_frame_equal
 
 if TYPE_CHECKING:
+    from collections.abc import Iterator
     from pathlib import Path
 
 pytestmark = [
diff --git a/py-polars/tests/unit/io/database/test_async.py b/py-polars/tests/unit/io/database/test_async.py
index 0934c06249e4..3bdea8207d2c 100644
--- a/py-polars/tests/unit/io/database/test_async.py
+++ b/py-polars/tests/unit/io/database/test_async.py
@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import asyncio
-from collections.abc import Iterable
 from math import ceil
 from typing import TYPE_CHECKING, Any, overload
 
@@ -14,6 +13,7 @@
 from polars.testing import assert_frame_equal
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable
     from pathlib import Path
 
 SURREAL_MOCK_DATA: list[dict[str, Any]] = [
diff --git a/py-polars/tests/unit/io/database/test_write.py b/py-polars/tests/unit/io/database/test_write.py
index 9623e8475d4d..d7230a66222c 100644
--- a/py-polars/tests/unit/io/database/test_write.py
+++ b/py-polars/tests/unit/io/database/test_write.py
@@ -21,12 +21,7 @@
 @pytest.mark.write_disk
 @pytest.mark.parametrize(
     ("engine", "uri_connection"),
-    [
-        ("sqlalchemy", True),
-        ("sqlalchemy", False),
-        ("adbc", True),
-        ("adbc", False)
-    ],
+    [("sqlalchemy", True), ("sqlalchemy", False), ("adbc", True), ("adbc", False)],
 )
 class TestWriteDatabase:
     """Database write tests that share common pytest/parametrize options."""
diff --git a/py-polars/tests/unit/io/test_spreadsheet.py b/py-polars/tests/unit/io/test_spreadsheet.py
index 2953a35cc002..7483f371b51c 100644
--- a/py-polars/tests/unit/io/test_spreadsheet.py
+++ b/py-polars/tests/unit/io/test_spreadsheet.py
@@ -2,7 +2,6 @@
 
 import warnings
 from collections import OrderedDict
-from collections.abc import Sequence
 from datetime import date, datetime
 from io import BytesIO
 from pathlib import Path
@@ -18,6 +17,8 @@
 from tests.unit.conftest import FLOAT_DTYPES, NUMERIC_DTYPES
 
 if TYPE_CHECKING:
+    from collections.abc import Sequence
+
     from polars._typing import ExcelSpreadsheetEngine, SelectorType
 
 pytestmark = pytest.mark.slow()
diff --git a/py-polars/tests/unit/io/test_utils.py b/py-polars/tests/unit/io/test_utils.py
index 967b9ebe3669..e115aec4f71f 100644
--- a/py-polars/tests/unit/io/test_utils.py
+++ b/py-polars/tests/unit/io/test_utils.py
@@ -1,11 +1,14 @@
 from __future__ import annotations
 
-from collections.abc import Sequence
+from typing import TYPE_CHECKING
 
 import pytest
 
 from polars.io._utils import looks_like_url, parse_columns_arg, parse_row_index_args
 
+if TYPE_CHECKING:
+    from collections.abc import Sequence
+
 
 @pytest.mark.parametrize(
     ("columns", "expected"),
diff --git a/py-polars/tests/unit/operations/map/test_map_elements.py b/py-polars/tests/unit/operations/map/test_map_elements.py
index ce147be9ef27..0ef231bc8943 100644
--- a/py-polars/tests/unit/operations/map/test_map_elements.py
+++ b/py-polars/tests/unit/operations/map/test_map_elements.py
@@ -340,9 +340,10 @@ def test_map_elements_chunked_14390() -> None:
 
 def test_cabbage_strategy_14396() -> None:
     df = pl.DataFrame({"x": [1, 2, 3]})
-    with pytest.raises(
-        ValueError, match="strategy 'cabbage' is not supported"
-    ), pytest.warns(PolarsInefficientMapWarning):
+    with (
+        pytest.raises(ValueError, match="strategy 'cabbage' is not supported"),
+        pytest.warns(PolarsInefficientMapWarning),
+    ):
         df.select(pl.col("x").map_elements(lambda x: 2 * x, strategy="cabbage"))  # type: ignore[arg-type]
 
 
diff --git a/py-polars/tests/unit/operations/map/test_map_groups.py b/py-polars/tests/unit/operations/map/test_map_groups.py
index b829c61130ba..772f4d088249 100644
--- a/py-polars/tests/unit/operations/map/test_map_groups.py
+++ b/py-polars/tests/unit/operations/map/test_map_groups.py
@@ -1,7 +1,6 @@
 from __future__ import annotations
 
-from collections.abc import Sequence
-from typing import Any
+from typing import TYPE_CHECKING, Any
 
 import numpy as np
 import pytest
@@ -10,6 +9,9 @@
 from polars.exceptions import ComputeError
 from polars.testing import assert_frame_equal
 
+if TYPE_CHECKING:
+    from collections.abc import Sequence
+
 
 def test_map_groups() -> None:
     df = pl.DataFrame(
diff --git a/py-polars/tests/unit/operations/namespaces/temporal/test_add_business_days.py b/py-polars/tests/unit/operations/namespaces/temporal/test_add_business_days.py
index 5fe78225670e..4d646e2bba49 100644
--- a/py-polars/tests/unit/operations/namespaces/temporal/test_add_business_days.py
+++ b/py-polars/tests/unit/operations/namespaces/temporal/test_add_business_days.py
@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import datetime as dt
-import sys
 from datetime import date, datetime, timedelta
 from typing import TYPE_CHECKING
 
@@ -11,19 +10,13 @@
 from hypothesis import assume, given
 
 import polars as pl
-from polars.dependencies import _ZONEINFO_AVAILABLE
 from polars.exceptions import ComputeError, InvalidOperationError
 from polars.testing import assert_series_equal
 
 if TYPE_CHECKING:
     from polars._typing import Roll, TimeUnit
 
-if sys.version_info >= (3, 9):
-    from zoneinfo import ZoneInfo
-elif _ZONEINFO_AVAILABLE:
-    # Import from submodule due to typing issue with backports.zoneinfo package:
-    # https://github.com/pganssle/zoneinfo/issues/125
-    from backports.zoneinfo._zoneinfo import ZoneInfo
+from zoneinfo import ZoneInfo
 
 
 def test_add_business_days() -> None:
diff --git a/py-polars/tests/unit/operations/namespaces/temporal/test_to_datetime.py b/py-polars/tests/unit/operations/namespaces/temporal/test_to_datetime.py
index 5bb09a0f8d1c..f07106ee76ac 100644
--- a/py-polars/tests/unit/operations/namespaces/temporal/test_to_datetime.py
+++ b/py-polars/tests/unit/operations/namespaces/temporal/test_to_datetime.py
@@ -1,25 +1,17 @@
 from __future__ import annotations
 
-import sys
 from datetime import date, datetime
 from typing import TYPE_CHECKING
+from zoneinfo import ZoneInfo
 
 import hypothesis.strategies as st
 import pytest
 from hypothesis import given
 
 import polars as pl
-from polars.dependencies import _ZONEINFO_AVAILABLE
 from polars.exceptions import ComputeError, InvalidOperationError
 from polars.testing import assert_series_equal
 
-if sys.version_info >= (3, 9):
-    from zoneinfo import ZoneInfo
-elif _ZONEINFO_AVAILABLE:
-    # Import from submodule due to typing issue with backports.zoneinfo package:
-    # https://github.com/pganssle/zoneinfo/issues/125
-    from backports.zoneinfo._zoneinfo import ZoneInfo
-
 if TYPE_CHECKING:
     from hypothesis.strategies import DrawFn
 
diff --git a/py-polars/tests/unit/operations/test_comparison.py b/py-polars/tests/unit/operations/test_comparison.py
index 72771ff64eab..26f95e269339 100644
--- a/py-polars/tests/unit/operations/test_comparison.py
+++ b/py-polars/tests/unit/operations/test_comparison.py
@@ -2,7 +2,7 @@
 
 import math
 from contextlib import nullcontext
-from typing import TYPE_CHECKING, Any, ContextManager
+from typing import TYPE_CHECKING, Any
 
 import pytest
 
@@ -11,6 +11,8 @@
 from polars.testing import assert_frame_equal
 
 if TYPE_CHECKING:
+    from contextlib import AbstractContextManager as ContextManager
+
     from polars._typing import PolarsDataType
 
 
diff --git a/py-polars/tests/unit/operations/test_cross_join.py b/py-polars/tests/unit/operations/test_cross_join.py
index 94830371ed35..f424da5ab170 100644
--- a/py-polars/tests/unit/operations/test_cross_join.py
+++ b/py-polars/tests/unit/operations/test_cross_join.py
@@ -1,17 +1,8 @@
-import sys
 from datetime import datetime
+from zoneinfo import ZoneInfo
 
 import pytest
 
-from polars.dependencies import _ZONEINFO_AVAILABLE
-
-if sys.version_info >= (3, 9):
-    from zoneinfo import ZoneInfo
-elif _ZONEINFO_AVAILABLE:
-    # Import from submodule due to typing issue with backports.zoneinfo package:
-    # https://github.com/pganssle/zoneinfo/issues/125
-    from backports.zoneinfo._zoneinfo import ZoneInfo
-
 import polars as pl
 
 
diff --git a/py-polars/tests/unit/operations/test_ewm_by.py b/py-polars/tests/unit/operations/test_ewm_by.py
index e804f6b6d5d8..8004303238d4 100644
--- a/py-polars/tests/unit/operations/test_ewm_by.py
+++ b/py-polars/tests/unit/operations/test_ewm_by.py
@@ -1,25 +1,18 @@
 from __future__ import annotations
 
-import sys
 from datetime import date, datetime, timedelta
 from typing import TYPE_CHECKING
 
 import pytest
 
 import polars as pl
-from polars.dependencies import _ZONEINFO_AVAILABLE
 from polars.exceptions import InvalidOperationError
 from polars.testing import assert_frame_equal, assert_series_equal
 
 if TYPE_CHECKING:
     from polars._typing import PolarsIntegerType, TimeUnit
 
-if sys.version_info >= (3, 9):
-    from zoneinfo import ZoneInfo
-elif _ZONEINFO_AVAILABLE:
-    # Import from submodule due to typing issue with backports.zoneinfo package:
-    # https://github.com/pganssle/zoneinfo/issues/125
-    from backports.zoneinfo._zoneinfo import ZoneInfo
+from zoneinfo import ZoneInfo
 
 
 @pytest.mark.parametrize("sort", [True, False])
diff --git a/py-polars/tests/unit/operations/test_interpolate.py b/py-polars/tests/unit/operations/test_interpolate.py
index e80d4102466c..bac0693205da 100644
--- a/py-polars/tests/unit/operations/test_interpolate.py
+++ b/py-polars/tests/unit/operations/test_interpolate.py
@@ -1,24 +1,17 @@
 from __future__ import annotations
 
-import sys
 from datetime import date, datetime, time, timedelta
 from typing import TYPE_CHECKING, Any
 
 import pytest
 
 import polars as pl
-from polars.dependencies import _ZONEINFO_AVAILABLE
 from polars.testing import assert_frame_equal
 
 if TYPE_CHECKING:
     from polars._typing import PolarsDataType, PolarsTemporalType
 
-if sys.version_info >= (3, 9):
-    from zoneinfo import ZoneInfo
-elif _ZONEINFO_AVAILABLE:
-    # Import from submodule due to typing issue with backports.zoneinfo package:
-    # https://github.com/pganssle/zoneinfo/issues/125
-    from backports.zoneinfo._zoneinfo import ZoneInfo
+from zoneinfo import ZoneInfo
 
 
 @pytest.mark.parametrize(
diff --git a/py-polars/tests/unit/series/test_series.py b/py-polars/tests/unit/series/test_series.py
index dad4f28f352e..491890b5dc13 100644
--- a/py-polars/tests/unit/series/test_series.py
+++ b/py-polars/tests/unit/series/test_series.py
@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import math
-from collections.abc import Iterator
 from datetime import date, datetime, time, timedelta
 from typing import TYPE_CHECKING, Any, cast
 
@@ -32,6 +31,7 @@
 from tests.unit.utils.pycapsule_utils import PyCapsuleStreamHolder
 
 if TYPE_CHECKING:
+    from collections.abc import Iterator
     from zoneinfo import ZoneInfo
 
     from polars._typing import EpochTimeUnit, PolarsDataType, TimeUnit
diff --git a/py-polars/tests/unit/sql/test_joins.py b/py-polars/tests/unit/sql/test_joins.py
index 3a1e90bed1b4..43c00ed8b3d5 100644
--- a/py-polars/tests/unit/sql/test_joins.py
+++ b/py-polars/tests/unit/sql/test_joins.py
@@ -295,10 +295,13 @@ def test_join_misc_16255() -> None:
 )
 def test_non_equi_joins(constraint: str) -> None:
     # no support (yet) for non equi-joins in polars joins
-    with pytest.raises(
-        SQLInterfaceError,
-        match=r"only equi-join constraints are supported",
-    ), pl.SQLContext({"tbl": pl.DataFrame({"a": [1, 2, 3], "b": [4, 3, 2]})}) as ctx:
+    with (
+        pytest.raises(
+            SQLInterfaceError,
+            match=r"only equi-join constraints are supported",
+        ),
+        pl.SQLContext({"tbl": pl.DataFrame({"a": [1, 2, 3], "b": [4, 3, 2]})}) as ctx,
+    ):
         ctx.execute(
             f"""
             SELECT *
@@ -310,12 +313,19 @@ def test_non_equi_joins(constraint: str) -> None:
 
 def test_implicit_joins() -> None:
     # no support for this yet; ensure we catch it
-    with pytest.raises(
-        SQLInterfaceError,
-        match=r"not currently supported .* use explicit JOIN syntax instead",
-    ), pl.SQLContext(
-        {"tbl": pl.DataFrame({"a": [1, 2, 3], "b": [4, 3, 2], "c": ["x", "y", "z"]})}
-    ) as ctx:
+    with (
+        pytest.raises(
+            SQLInterfaceError,
+            match=r"not currently supported .* use explicit JOIN syntax instead",
+        ),
+        pl.SQLContext(
+            {
+                "tbl": pl.DataFrame(
+                    {"a": [1, 2, 3], "b": [4, 3, 2], "c": ["x", "y", "z"]}
+                )
+            }
+        ) as ctx,
+    ):
         ctx.execute(
             """
             SELECT t1.*
diff --git a/py-polars/tests/unit/test_config.py b/py-polars/tests/unit/test_config.py
index aadbd8de7079..cd0491b5435f 100644
--- a/py-polars/tests/unit/test_config.py
+++ b/py-polars/tests/unit/test_config.py
@@ -1,9 +1,8 @@
 from __future__ import annotations
 
 import os
-from collections.abc import Iterator
 from pathlib import Path
-from typing import Any
+from typing import TYPE_CHECKING, Any
 
 import pytest
 
@@ -12,6 +11,9 @@
 from polars._utils.unstable import issue_unstable_warning
 from polars.config import _POLARS_CFG_ENV_VARS
 
+if TYPE_CHECKING:
+    from collections.abc import Iterator
+
 
 @pytest.fixture(autouse=True)
 def _environ() -> Iterator[None]:
diff --git a/py-polars/tests/unit/test_format.py b/py-polars/tests/unit/test_format.py
index f118c63e9cf3..44c754e4884b 100644
--- a/py-polars/tests/unit/test_format.py
+++ b/py-polars/tests/unit/test_format.py
@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import string
-from collections.abc import Iterator
 from decimal import Decimal as D
 from typing import TYPE_CHECKING, Any
 
@@ -11,6 +10,8 @@
 from polars.exceptions import InvalidOperationError
 
 if TYPE_CHECKING:
+    from collections.abc import Iterator
+
     from polars._typing import PolarsDataType
 
 
@@ -291,8 +292,9 @@ def test_fmt_float_full() -> None:
 
 def test_fmt_list_12188() -> None:
     # set max_items to 1 < 4(size of failed list) to touch the testing branch.
-    with pl.Config(fmt_table_cell_list_len=1), pytest.raises(
-        InvalidOperationError, match="from `i64` to `u8` failed"
+    with (
+        pl.Config(fmt_table_cell_list_len=1),
+        pytest.raises(InvalidOperationError, match="from `i64` to `u8` failed"),
     ):
         pl.DataFrame(
             {
diff --git a/py-polars/tests/unit/test_selectors.py b/py-polars/tests/unit/test_selectors.py
index a5d573d10379..bf44ff87bac5 100644
--- a/py-polars/tests/unit/test_selectors.py
+++ b/py-polars/tests/unit/test_selectors.py
@@ -1,26 +1,18 @@
-import sys
 from collections import OrderedDict
 from datetime import datetime
 from typing import Any
+from zoneinfo import ZoneInfo
 
 import pytest
 
 import polars as pl
 import polars.selectors as cs
 from polars._typing import SelectorType
-from polars.dependencies import _ZONEINFO_AVAILABLE
 from polars.exceptions import ColumnNotFoundError, InvalidOperationError
 from polars.selectors import expand_selector, is_selector
 from polars.testing import assert_frame_equal
 from tests.unit.conftest import INTEGER_DTYPES, TEMPORAL_DTYPES
 
-if sys.version_info >= (3, 9):
-    from zoneinfo import ZoneInfo
-elif _ZONEINFO_AVAILABLE:
-    # Import from submodule due to typing issue with backports.zoneinfo package:
-    # https://github.com/pganssle/zoneinfo/issues/125
-    from backports.zoneinfo._zoneinfo import ZoneInfo
-
 
 def assert_repr_equals(item: Any, expected: str) -> None:
     """Assert that the repr of an item matches the expected string."""
diff --git a/py-polars/tests/unit/utils/test_utils.py b/py-polars/tests/unit/utils/test_utils.py
index 853593e62ae0..96730c91434b 100644
--- a/py-polars/tests/unit/utils/test_utils.py
+++ b/py-polars/tests/unit/utils/test_utils.py
@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-from collections.abc import Sequence
 from datetime import date, datetime, time, timedelta
 from typing import TYPE_CHECKING, Any
 
@@ -26,6 +25,7 @@
 )
 
 if TYPE_CHECKING:
+    from collections.abc import Sequence
     from zoneinfo import ZoneInfo
 
     from polars._typing import TimeUnit