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Issues: python/mypy

Announcement issue for plugin API changes
#6617 opened Apr 3, 2019 by msullivan
Open 16
Python 3.13 tracking issue
#17264 opened May 18, 2024 by hauntsaninja
Open 3
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Issues list

False positive on function call with walrus operator bug mypy got something wrong topic-pep-572 PEP 572 (walrus operator)
#17377 opened Jun 13, 2024 by mixilchenko
TypeGuard does not narrow when assignment expression bug mypy got something wrong topic-pep-572 PEP 572 (walrus operator) topic-typeguard TypeGuard / PEP 647
#17088 opened Apr 2, 2024 by roganov
4
False positive with assignment expression shadowing a builtin bug mypy got something wrong topic-pep-572 PEP 572 (walrus operator)
#15904 opened Aug 18, 2023 by eltoder
nested if/while walrus operator loses typing (nullability) information bug mypy got something wrong topic-pep-572 PEP 572 (walrus operator) topic-type-narrowing Conditional type narrowing / binder
#14573 opened Feb 1, 2023 by ds-cbo
1
Weird narrowing when using walrus operator in condition bug mypy got something wrong topic-pep-572 PEP 572 (walrus operator) topic-type-narrowing Conditional type narrowing / binder
#11315 opened Oct 11, 2021 by freundTech
1
no error on invalid assignment expression on generic with constraints bug mypy got something wrong topic-pep-572 PEP 572 (walrus operator)
#11113 opened Sep 16, 2021 by DetachHead
Type fails to get "refined" on branch when is None-check happens in variable assignment false-positive mypy gave an error on correct code feature priority-2-low topic-pep-572 PEP 572 (walrus operator) topic-type-narrowing Conditional type narrowing / binder
#9229 opened Jul 29, 2020 by davidmrdavid
4
Walrus operators unrecognised in dictionary initialisation of a class attribute bug mypy got something wrong topic-pep-572 PEP 572 (walrus operator) topic-runtime-semantics mypy doesn't model runtime semantics correctly
#8379 opened Feb 7, 2020 by masasakano
4
PEP 572: Test interaction with mypy.server.deps priority-1-normal topic-pep-572 PEP 572 (walrus operator) topic-tests
#7315 opened Aug 10, 2019 by JelleZijlstra
PEP 572: Test interaction with --allow-redefinition good-first-issue topic-pep-572 PEP 572 (walrus operator) topic-tests
#7314 opened Aug 10, 2019 by JelleZijlstra
3
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