Issues · python/mypy · GitHub

Announcement issue for plugin API changes
#6617 · msullivan opened on Apr 3, 2019
25

Labels Milestones New issue

error: Expected TypedDict key to be string literal for `Union` of `TypedDict` and `dict`

topic-typed-dict

topic-union-types

#21510

· AllexVeldman opened

on May 19, 2026

`TypeIs` with `isinstance` fails to narrow

#21508

· MarcoGorelli opened

on May 18, 2026

Descriptor access fails for complex generics

#21505

· BenjyWiener opened

on May 18, 2026

crash when type checking file in a read only directory

#21495

· karlicoss opened

on May 16, 2026

Support PEP 798

#21489

· hauntsaninja opened

on May 15, 2026

wrong inference with nested unpacking

#21485

· JanEricNitschke opened

on May 14, 2026

Mypy 2.X periodically and inconsistently throws an error

#21484

· barbarrista opened

on May 14, 2026

fastparse and native parser assign different line numbers to nested subscripts in multi-line type annotations

#21480

· sunny-zuo opened

on May 13, 2026

Detect number of CPUs with `--num-workers 0`

parallel checking

#21477

· hugovk opened

on May 13, 2026

Literal `(tuple_of_strings, "string")` not assignable to `tuple[str, tuple[str, ...]`

#21476

· abrahammurciano opened

on May 13, 2026

`pyinfo.getsyspath()` doesn't exclude stdlib from `package_path` when install path contains symlinks

#21474

· Pedro-Muller29 opened

on May 13, 2026

IndexError: list index out of range with missing typing.Annotated type

#21471

· correctmost opened

on May 12, 2026