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Title: TypeAliasType objects have no `__qualname__` · Issue #139817 · python/cpython · GitHub

Open Graph Title: TypeAliasType objects have no `__qualname__` · Issue #139817 · python/cpython

X Title: TypeAliasType objects have no `__qualname__` · Issue #139817 · python/cpython

Description: Bug report Bug description: This means that introspection is worse for type statements declared e.g. within class bodies. A cc @JelleZijlstra CPython versions tested on: 3.12, 3.13, 3.14, 3.15, CPython main branch Operating systems teste...

Open Graph Description: Bug report Bug description: This means that introspection is worse for type statements declared e.g. within class bodies. A cc @JelleZijlstra CPython versions tested on: 3.12, 3.13, 3.14, 3.15, CPy...

X Description: Bug report Bug description: This means that introspection is worse for type statements declared e.g. within class bodies. A cc @JelleZijlstra CPython versions tested on: 3.12, 3.13, 3.14, 3.15, CPy...

Opengraph URL: https://github.com/python/cpython/issues/139817

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Hey, it has json ld scripts: 
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og:image:altBug report Bug description: This means that introspection is worse for type statements declared e.g. within class bodies. A cc @JelleZijlstra CPython versions tested on: 3.12, 3.13, 3.14, 3.15, CPy...
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TypeAliasType objects have no __qualname__https://github.com/python/cpython/issues/139817#top
interpreter-core(Objects, Python, Grammar, and Parser dirs)https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22interpreter-core%22
topic-typinghttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22topic-typing%22
type-bugAn unexpected behavior, bug, or errorhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22type-bug%22
https://github.com/AA-Turner
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on Oct 9, 2025https://github.com/python/cpython/issues/139817#issue-3497395255
@JelleZijlstrahttps://github.com/JelleZijlstra
gh-139817: Attribute __qualname__ is added to TypeAliasType #139919https://github.com/python/cpython/pull/139919
gh-139817: typing docs: Fix indentation of .. versionadded:: note for TypeAliasType.__qualname__ #140177https://github.com/python/cpython/pull/140177
gh-139817: Fix refleak in TypeAliasType(qualname=non_string) #140197https://github.com/python/cpython/pull/140197
interpreter-core(Objects, Python, Grammar, and Parser dirs)https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22interpreter-core%22
topic-typinghttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22topic-typing%22
type-bugAn unexpected behavior, bug, or errorhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22type-bug%22
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