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bpo-46469: Make asyncio generic classes return GenericAlias (GH-30777)

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* bpo-46469: Make asyncio generic classes return GenericAlias

* 📜🤖 Added by blurb_it.

* Update Misc/NEWS.d/next/Library/2022-01-22-05-05-08.bpo-46469.plUab5.rst

Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>

Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
This commit is contained in:
Kumar Aditya 2022-01-22 16:58:53 +05:30 • committed by GitHub
parent ab8fe22e5e
commit ea5b96842e
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8 changed files with 28 additions and 26 deletions
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4
Lib/asyncio/queues.py
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@ -2,6 +2,7 @@ __all__ = ('Queue', 'PriorityQueue', 'LifoQueue', 'QueueFull', 'QueueEmpty')
import collections
import heapq
from types import GenericAlias
from . import locks
from . import mixins
@ -69,8 +70,7 @@ class Queue(mixins._LoopBoundMixin):
def __str__(self):
return f'<{type(self).__name__} {self._format()}>'
def __class_getitem__(cls, type):
return cls
__class_getitem__ = classmethod(GenericAlias)
def _format(self):
result = f'maxsize={self._maxsize!r}'