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authorAMIR <31338382+amiremohamadi@users.noreply.github.com>2019-12-08 11:35:59 (GMT)
committerMiss Islington (bot) <31488909+miss-islington@users.noreply.github.com>2019-12-08 11:35:59 (GMT)
commit28c91631c24e53713ad0e8a2bbae716373f5e53d (patch)
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bpo-38979: fix ContextVar "__class_getitem__" method (GH-17497)
now contextvars.ContextVar "__class_getitem__" method returns ContextVar class, not None. https://bugs.python.org/issue38979 Automerge-Triggered-By: @asvetlov
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+Return class from ``ContextVar.__class_getitem__`` to simplify subclassing.