import type extensions for old python versions

narwhals-dev · Sep 13, 2024 · 6522c1d · 6522c1d
1 parent 468fbe2
commit 6522c1d
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/tests/utils.py b/tests/utils.py
@@ -7,12 +7,16 @@
 from typing import Callable
 from typing import Iterator
 from typing import Sequence
-from typing import TypeAlias
 
 import pandas as pd
 
 from narwhals.typing import IntoFrame
 
+if sys.version_info >= (3, 10):
+    from typing import TypeAlias
+else:
+    from typing_extensions import TypeAlias
+
 Constructor: TypeAlias = Callable[[Any], IntoFrame]