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https://issues.apache.org/jira/browse/BEAM-9755?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
yoshiki obata updated BEAM-9755:
Description:
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}
CPython bytecode changes[1] may affect.
[1] https://docs.python.org/3/whatsnew/3.8.html
was:
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}
> 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
>Priority: Major
>
> 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}
>
> CPython bytecode changes[1] may affect.
> [1] https://docs.python.org/3/whatsnew/3.8.html
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