[issue44589] Pattern Matching - duplicate keys in mapping patterns

[miss-islington]

miss-islington <mariatta.wijaya+miss-islington at gmail.com> added the comment:


New changeset 016af14d93cfba43e7a95721a97fa954c534af8e by Miss Islington (bot) in branch '3.10':
[3.10] bpo-44589: raise a SyntaxError when mapping patterns have duplicate literal keys (GH-27131) (GH-27157)
https://github.com/python/cpython/commit/016af14d93cfba43e7a95721a97fa954c534af8e


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