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AttributeError: 'module' object has no attribute '_GenericAlias' #2014

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lazka opened this issue Jun 20, 2019 · 3 comments · Fixed by #2015
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AttributeError: 'module' object has no attribute '_GenericAlias' #2014

lazka opened this issue Jun 20, 2019 · 3 comments · Fixed by #2015
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bug something is clearly wrong here interop how to play nicely with other packages

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@lazka
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lazka commented Jun 20, 2019 •
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Looks like the recent typing update broke hypothesis (Python 2 only):

  File "/home/travis/virtualenv/python2.7.14/lib/python2.7/site-packages/hypothesis/internal/compat.py", line 302, in <module>
    typing_root_type = (typing._Final, typing._GenericAlias)  # type: ignore
AttributeError: 'module' object has no attribute '_GenericAlias'
@lazka
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lazka commented Jun 20, 2019

@Zac-HD git blame tells me this is your code :)

@Zac-HD Zac-HD added bug something is clearly wrong here interop how to play nicely with other packages labels Jun 20, 2019
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Zac-HD commented Jun 20, 2019

Hurrah! Looks like the underscore-means-private convention actually bit us - let's see what I can do...

@poljar poljar mentioned this issue Jun 20, 2019
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@Zac-HD Zac-HD mentioned this issue Jun 21, 2019
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lazka commented Jun 21, 2019

Works nicely again. Thanks for the quick fix!

@exarkun exarkun mentioned this issue Oct 5, 2019
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noritada added a commit to noritada/commonmark.py that referenced this issue Sep 6, 2020
@noritada
Update dependency on Hypothesis again to its version 4.24.4
5e77be7 
This upgrade is to fix an issue in Hypothesis that only affects Python
2.x.

    $ python commonmark/tests/unit_tests.py
    Traceback (most recent call last):
      File "commonmark/tests/unit_tests.py", line 6, in <module>
        from hypothesis import given, example
      :
      File "/home/travis/virtualenv/python2.7.17/lib/python2.7/site-packages/hypothesis/internal/compat.py", line 302, in <module>
        typing_root_type = (typing._Final, typing._GenericAlias)  # type: ignore
    AttributeError: 'module' object has no attribute '_GenericAlias'

HypothesisWorks/hypothesis#2014
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Support newer typing backport too Zac-HD/hypothesis
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@lazka @Zac-HD