Fix narrowing union types that include Self with isinstance (Fixes #14912). #14923
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…thon#14921). The special case of bound type variables was not handled in function `covers_at_runtime` of module `subtypes`. So I added it and defined the test case `testNarrowSelfType`.
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According to mypy_primer, this change has no effect on the checked open source code. 🤖🎉 |
tyralla
changed the title
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The fixed issues' number was wrong. I corrected it in the title and the initial comment of this pull request. Unfortunately, the initial commit's message is also wrong in this regard and needs modification before merging. |
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Fix narrowing union types that include Self with isinstance (Fixes #14912).
The special case of bound type variables was not handled in function
covers_at_runtimeof modulesubtypes. So I added it and defined the test casetestNarrowSelfType.