https://github.com/pandas-dev/pandas-stubs/pull/1508#discussion_r2574690362

Author: cmp0xff

tests/series/test_series_float.py

@@ -47,7 +47,7 @@ def test_constructor() -> None:
 
 
 @pytest.mark.parametrize(("dtype", "target_dtype"), TYPE_FLOAT_ARGS.items())
-def test_constructor_dtype(dtype: "FloatDtypeArg", target_dtype: type) -> None:
+def test_constructor_dtype(dtype: FloatDtypeArg, target_dtype: type) -> None:
     exc = exception_on_platform(dtype)
     if exc:
         with pytest.raises(exc, match=rf"data type {dtype!r} not understood"):
@@ -101,7 +101,7 @@ def test_constructor_dtype(dtype: "FloatDtypeArg", target_dtype: type) -> None:
     ("cast_arg", "target_type"), ASTYPE_FLOAT_ARGS.items(), ids=repr
 )
 def test_astype_float(
-    cast_arg: "FloatDtypeArg | PandasAstypeFloatDtypeArg", target_type: type
+    cast_arg: FloatDtypeArg | PandasAstypeFloatDtypeArg, target_type: type
 ) -> None:
     s = pd.Series([1, 2, 3])