style: pre-commit fixes

dev/generate-tests.py

@@ -368,9 +368,7 @@ def genspectests(specdict):
                             if isinstance(val, list):
                                 f.write(
                                     " " * 4
-                                    + "assert {0}[:len(pytest_{0})] == pytest.approx(pytest_{0})\n".format(
-                                        arg
-                                    )
+                                    + f"assert {arg}[:len(pytest_{arg})] == pytest.approx(pytest_{arg})\n"
                                 )
                             else:
                                 f.write(" " * 4 + f"assert {arg} == pytest_{arg}\n")
@@ -516,9 +514,7 @@ def gencpukerneltests(specdict):
                         if isinstance(val, list):
                             f.write(
                                 " " * 4
-                                + "assert {0}[:len(pytest_{0})] == pytest.approx(pytest_{0})\n".format(
-                                    arg
-                                )
+                                + f"assert {arg}[:len(pytest_{arg})] == pytest.approx(pytest_{arg})\n"
                             )
                         else:
                             f.write(" " * 4 + f"assert {arg} == pytest_{arg}\n")
@@ -735,9 +731,7 @@ def gencudakerneltests(specdict):
                             if isinstance(val, list):
                                 f.write(
                                     " " * 4
-                                    + "assert cupy.array_equal({0}[:len(pytest_{0})], cupy.array(pytest_{0}))\n".format(
-                                        arg
-                                    )
+                                    + f"assert cupy.array_equal({arg}[:len(pytest_{arg})], cupy.array(pytest_{arg}))\n"
                                 )
                             else:
                                 f.write(" " * 4 + f"assert {arg} == pytest_{arg}\n")

src/awkward/_connect/numpy.py

@@ -357,10 +357,8 @@ def action(inputs, **ignore):
                 for x in contents
             ):
                 raise TypeError(
-                    "{}.{} is not implemented for string types. "
-                    "To register an implementation, add a name to these string(s) and register a behavior overload".format(
-                        type(ufunc).__module__, ufunc.__name__
-                    )
+                    f"{type(ufunc).__module__}.{ufunc.__name__} is not implemented for string types. "
+                    "To register an implementation, add a name to these string(s) and register a behavior overload"
                 )
 
         if ufunc is numpy.matmul:

src/awkward/_do.py

@@ -162,10 +162,8 @@ def unique(layout: Content, axis=None):
                     )
                 if negaxis > depth:
                     raise AxisError(
-                        "cannot use axis={} on a nested list structure that splits into "
-                        "different depths, the minimum of which is depth={} from the leaves".format(
-                            axis, depth
-                        )
+                        f"cannot use axis={axis} on a nested list structure that splits into "
+                        f"different depths, the minimum of which is depth={depth} from the leaves"
                     )
             else:
                 if negaxis <= 0:
@@ -368,10 +366,8 @@ def argsort(
             )
         if negaxis > depth:
             raise ValueError(
-                "cannot use axis={} on a nested list structure that splits into "
-                "different depths, the minimum of which is depth={} from the leaves".format(
-                    axis, depth
-                )
+                f"cannot use axis={axis} on a nested list structure that splits into "
+                f"different depths, the minimum of which is depth={depth} from the leaves"
             )
     else:
         if negaxis <= 0:
@@ -409,10 +405,8 @@ def sort(
             )
         if negaxis > depth:
             raise ValueError(
-                "cannot use axis={} on a nested list structure that splits into "
-                "different depths, the minimum of which is depth={} from the leaves".format(
-                    axis, depth
-                )
+                f"cannot use axis={axis} on a nested list structure that splits into "
+                f"different depths, the minimum of which is depth={depth} from the leaves"
             )
     else:
         if negaxis <= 0:

src/awkward/_errors.py

@@ -410,14 +410,12 @@ def deprecate(
         date = ""
     else:
         date = " (target date: " + date + ")"
-    warning = """In version {}{}, this will be {}.
+    warning = f"""In version {version}{date}, this will be {will_be}.
 To raise these warnings as errors (and get stack traces to find out where they're called), run
     import warnings
     warnings.filterwarnings("error", module="awkward.*")
 after the first `import awkward` or use `@pytest.mark.filterwarnings("error:::awkward.*")` in pytest.
-Issue: {}.""".format(
-        version, date, will_be, message
-    )
+Issue: {message}."""
     warnings.warn(warning, category, stacklevel=stacklevel + 1)
 
 

src/awkward/contents/content.py

@@ -498,9 +498,7 @@ def _getitem_next_missing(
                     )
                 else:
                     raise NotImplementedError(
-                        "FIXME: unhandled case of SliceMissing with RecordArray containing {}".format(
-                            content
-                        )
+                        f"FIXME: unhandled case of SliceMissing with RecordArray containing {content}"
                     )
 
             return ak.contents.RecordArray(

src/awkward/operations/ak_unflatten.py

@@ -160,7 +160,7 @@ def unflatten_this_layout(layout):
             ):
                 raise ValueError(
                     "structure imposed by 'counts' does not fit in the array or partition "
-                    "at axis={}".format(axis)
+                    f"at axis={axis}"
                 )
 
             offsets = current_offsets[: position + 1]
@@ -214,7 +214,7 @@ def apply(layout, depth, **kwargs):
                 ):
                     raise ValueError(
                         "structure imposed by 'counts' does not fit in the array or partition "
-                        "at axis={}".format(axis)
+                        f"at axis={axis}"
                     )
                 positions[0] = 0