[issue28339] "TypeError: Parameterized generics cannot be used with class or instance checks" in test_functools after importing typing module

[Ivan Levkivskyi]

Ivan Levkivskyi <levkivskyi at gmail.com> added the comment:

FWIW, this is fixed in 3.7 by PEP 560. I don't think we will be able to get rid of `sys._getframe` workaround on 3.6, so I propose to just close this.

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dependencies:  -Provide a way to check for *real* typing.Union instances
resolution:  -> fixed
stage:  -> resolved
status: open -> closed

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<https://bugs.python.org/issue28339>
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