Pep 593 py3#639

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ilevkivskyi merged 4 commits into

python:masterfrom

till-varoquaux:pep-593-py3

Jun 5, 2019

Commits on Jun 2, 2019

rename _Annotated to _AnnotatedAlias

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Add Annotated for python 3 pre PEP-560.

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Till Varoquaux
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Commits on Jun 3, 2019

Annotated: retrofitted setattr for Python < 3.7 and cleaned up tests and docs

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Commits on Jun 5, 2019

Simplify error code and reformat a bit

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