[issue44636] It is possible to create a 1-type union type

[Serhiy Storchaka]

Serhiy Storchaka <storchaka+cpython at gmail.com> added the comment:


New changeset d9f923280f204204f8703756aef4f655b579b4b8 by Serhiy Storchaka in branch 'main':
bpo-44636: Collapse union of equal types (GH-27178)
https://github.com/python/cpython/commit/d9f923280f204204f8703756aef4f655b579b4b8


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<https://bugs.python.org/issue44636>
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