deepcopy of GenericAlias with __deepcopy__ method is broken #89330
Description
Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.
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GitHub fields:
assignee = None
closed_at = <Date 2021-09-15.19:35:55.718>
created_at = <Date 2021-09-10.17:09:52.642>
labels = ['type-bug', 'library', '3.9', '3.10', '3.11']
title = 'deepcopy of GenericAlias with __deepcopy__ method is broken'
updated_at = <Date 2021-09-15.19:35:55.717>
user = 'https://github.com/JacobHayes'bugs.python.org fields:
activity = <Date 2021-09-15.19:35:55.717>
actor = 'lukasz.langa'
assignee = 'none'
closed = True
closed_date = <Date 2021-09-15.19:35:55.718>
closer = 'lukasz.langa'
components = ['Library (Lib)']
creation = <Date 2021-09-10.17:09:52.642>
creator = 'JacobHayes'
dependencies = []
files = []
hgrepos = []
issue_num = 45167
keywords = ['patch']
message_count = 8.0
messages = ['401601', '401692', '401716', '401736', '401875', '401892', '401897', '401898']
nosy_count = 6.0
nosy_names = ['gvanrossum', 'lukasz.langa', 'serhiy.storchaka', 'miss-islington', 'uriyyo', 'JacobHayes']
pr_nums = ['28306', '28324', '28367', '28368']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue45167'
versions = ['Python 3.9', 'Python 3.10', 'Python 3.11']