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Title: [3.10] bpo-44524: Fix cryptic TypeError message when trying to subclass special forms in `typing` (GH-27710) by miss-islington · Pull Request #27815 · python/cpython · GitHub

Open Graph Title: [3.10] bpo-44524: Fix cryptic TypeError message when trying to subclass special forms in `typing` (GH-27710) by miss-islington · Pull Request #27815 · python/cpython

X Title: [3.10] bpo-44524: Fix cryptic TypeError message when trying to subclass special forms in `typing` (GH-27710) by miss-islington · Pull Request #27815 · python/cpython

Description: This was a Python 3.9 regression. (cherry picked from commit a3a4d20) Co-authored-by: Yurii Karabas 1998uriyyo@gmail.com https://bugs.python.org/issue44524

Open Graph Description: This was a Python 3.9 regression. (cherry picked from commit a3a4d20) Co-authored-by: Yurii Karabas 1998uriyyo@gmail.com https://bugs.python.org/issue44524

X Description: This was a Python 3.9 regression. (cherry picked from commit a3a4d20) Co-authored-by: Yurii Karabas 1998uriyyo@gmail.com https://bugs.python.org/issue44524

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