Search results

--strict flags

Status: Open.

#21396 In python/mypy;

· cossor opened on May 2, 2026

Support configuring --num-workers with an environment variable

feature

parallel checking

topic-configurationConfiguration files and flagsConfiguration files and flags

Status: Open.

#21395 In python/mypy;

· ilevkivskyi opened on May 1, 2026

Rare race condition on macOS with parallel checking

bugmypy got something wrongmypy got something wrong

parallel checking

Status: Open.

#21393 In python/mypy;

· ilevkivskyi opened on May 1, 2026

ParamSpec inferred overly wide from protocol

bugmypy got something wrongmypy got something wrong

topic-inferenceWhen to infer types or require explicit annotationsWhen to infer types or require explicit annotations

topic-paramspecPEP 612, ParamSpec, ConcatenatePEP 612, ParamSpec, Concatenate

Status: Open.

#21384 In python/mypy;

· iglosiggio opened on Apr 30, 2026

Cannot set output in mypy.ini

bugmypy got something wrongmypy got something wrong

topic-configurationConfiguration files and flagsConfiguration files and flags

topic-error-reportingHow we report errorsHow we report errors

Status: Open.

#21376 In python/mypy;

· AA-Turner opened on Apr 29, 2026

Get rid of the "flipping behaviour" in narrowign by equality/identity

needs discussion

topic-type-narrowingConditional type narrowing / binderConditional type narrowing / binder

Status: Open.

#21365 In python/mypy;

· ilevkivskyi opened on Apr 29, 2026

Make --show-traceback default

feature

Status: Open.

#21360 In python/mypy;

· mcepl opened on Apr 28, 2026

[1.20 regression] value pattern match statement narrowing broken for typevars with values

bugmypy got something wrongmypy got something wrong

topic-match-statementPython 3.10's match statementPython 3.10's match statement

topic-reachabilityDetecting unreachable codeDetecting unreachable code

topic-type-variables

Status: Open.

#21356 In python/mypy;

· m-richards opened on Apr 28, 2026

Enable two-phase checking in sequential mode when --local-partial-types is set

parallel checking

Status: Open.

#21348 In python/mypy;

· ilevkivskyi opened on Apr 27, 2026

Use log files for parallel workers stdout/stderr

needs discussion

parallel checking

Status: Open.

#21347 In python/mypy;

· ilevkivskyi opened on Apr 27, 2026

Support parallel checking in fine grained mode

feature

parallel checking

topic-fine-grained-incremental

Status: Open.

#21346 In python/mypy;

· ilevkivskyi opened on Apr 27, 2026

[1.20 regression] _Environ.get(key, default) returns str | None when default is an alias to Any

bugmypy got something wrongmypy got something wrong

Status: Open.

#21344 In python/mypy;

· pablogsal opened on Apr 27, 2026