yoshiki obata created BEAM-9755:
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Summary: infer_return_type does not infer as expected in Python 3.8
Key: BEAM-9755
URL: https://issues.apache.org/jira/browse/BEAM-9755
Project: Beam
Issue Type: Sub-task
Components: sdk-py-core
Reporter: yoshiki obata
apache_beam.typehints.trivial_inference.infer_return_type does not return type
as expected in Python 3.8.
And this cause testDictComprehensionSimple
(apache_beam.typehints.trivial_inference_test.TrivialInferenceTest) FAIL.
- Python 3.7.7
{code:Python}
>> from apache_beam.typehints.trivial_inference import infer_return_type
>> infer_return_type(lambda _list: {'a': 1 for _ in _list}, [], debug=False,
>> depth=5)
Dict[str, int]{code}
- Python 3.8.2
{code:Python}
>> from apache_beam.typehints.trivial_inference import infer_return_type
>> infer_return_type(lambda _list: {'a': 1 for _ in _list}, [], debug=False,
>> depth=5)
Dict[int, str]{code}
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