[New-bugs-announce] [issue37324] collections: remove deprecated aliases to ABC classes

[STINNER Victor]

New submission from STINNER Victor <vstinner at redhat.com>:

Extract of collections documentation:
https://docs.python.org/dev/library/collections.html

"Deprecated since version 3.3, will be removed in version 3.9: Moved Collections Abstract Base Classes to the collections.abc module. For backwards compatibility, they continue to be visible in this module through Python 3.8."

Attached PR removes these aliases.

----------
components: Library (Lib)
messages: 345905
nosy: vstinner
priority: normal
severity: normal
status: open
title: collections: remove deprecated aliases to ABC classes
versions: Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue37324>
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