[PR #7333/3a54d378 backport][3.9] Fix TLS transport is None
error
#7358
+4
−0
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This is a backport of PR #7333 as merged into master (3a54d37).
Fixes #3355
The type has been fixed in
typeshed
as well, so the bug here would be highlighted in mypy 1.5+.python/typeshed#10346 (comment)