Best Python code snippet using pandera_python
test_decorators.py
Source:test_decorators.py
...494 df: typing.Optional[DataFrame[InSchema]],495 ) -> None:496 return None497 assert optional_in(None) is None498def test_check_types_optional_in_out() -> None:499 """500 Test the check_types behaviour when both input and outputs schemas are501 Optional.502 """503 @check_types504 def transform_derived(505 # pylint: disable=unused-argument506 df: typing.Optional[DataFrame[InSchema]],507 ) -> typing.Optional[DataFrame[DerivedOutSchema]]:508 return None509 assert transform_derived(None) is None510 @check_types511 def transform(512 # pylint: disable=unused-argument...
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