Fixes #15060

The example in the issue contains another case where an erased type may
legiti...

Followup to #15165

This is allegedly causing large performance problems, see 13821

typeshed/8231 had zero hits on ...

Since the plugin provides superior type checking: https://github.com/python/mypy/pull/13987#issue...

Source commit:
https://github.com/python/typeshed/commit/d208d5a83394e9ad1d0dd5d567818c597dfaa28f

Related: https://github.com/python/mypy/issues/15024.

Fixes #15018

The fix is quite straightforward: function-scope aliases are not
supported any...

Fixes https://github.com/hauntsaninja/mypy_primer/issues/80

This PR fixes the
[`FURB121`](https://github.com/dosisod/refurb/blob/master/docs/checks.md#furb...

Adjusting the README to comply with Markdown Linting rules:

- MD032/blanks-around-lists: List...

This is required when using stubgen in a parallel build system, such as
GNU make.

Fixes #13027 (or at least half of it)

- the library is named "attrs", not "attr"[^1]
- "attrs" could mean a test of Python attributes...

Fixes #12923

assert_type(42, int) ... had issues. #12923 was a bit of a mess as the
OP was o...

Fixes #14915

When there are more than 200 errors to report, mypy "softly" trims the
output ...

Types from `numbers` aren't really supported in any useful way. Make it
more explicit, since th...

Fixes #15110

- Add PYTHONSAFEPATH="true" to call to subprocess in get_search_dirs()
- Check...

Fixes #5349 - Updating Error Messaging for Invalid Exception Type

Adding the following documentation updates to MyPy's CONTRIBUTING.md:
- Adding additional step ...

Fixes #15111

Adds tests for:
- AsyncGenerator within an AsyncGenerator
- Unpacking iterabl...

This should fix https://github.com/python/mypy/issues/15082:
If the python version is set to 3....

Fixes #14506

Use the `ErrorMessage` class from `message_registry.py` to move the
error messages from `fastpa...

Add CPyImport_ImportFromMany() which imports a module and a tuple of
names, placing them in the...

If errors are ignored, type checking function bodies often can have no
effect. Remove function ...

Propagate additional function flags in TransformVisitor.

Work on #14706.

This PR fixes the
[`FURB145`](https://github.com/dosisod/refurb/blob/master/docs/checks.md#furb...

This was broken by merging a very old PR.

Resolves #10915, resolves #9786

See the discussion in #10915. I'm sympathetic to the differen...

This is a workaround for correctly detecting the platform when building
mypy with mypyc on the ...

I figured this might be faster and less code.

This is a performance optimisation for subtyping between two unions that
are largely the same.
...

Add a test for the code path exercised in #15094

Fixes `attrs.evolve` signature generation to support the `inst`
parameter being
- a generic at...

Adds a new option , `use_lowercase_builtins()`, to choose whether to
report builtin types (`tup...

Fixes #15041

Related to #14882 and #14017 (the older one is where I added the xfail
test)

Fixes https://github.com/mypyc/mypyc/issues/982

Co-authored-by: KotlinIsland <[email protected]>

Fixes #14986

This PR allows any object matching
`_typeshed.SupportsKeysAndGetItem[str, Any]`...

Source commit:

https://github.com/python/typeshed/commit/b0ed50e9392a23e52445b630a808153e0e25...

This bundles together a handful of improvements to stubgenc. Each one
has its own commit, but i...

Fixes #15024

Closes #14980

In `cheat_sheep_py3.rst` functions examples, there is one function
example misaligned with to o...

Fixes the error on the last line of this example:
```python
@attrs.define
class A:
x: int
...

A possible solution for https://github.com/python/mypy/issues/14867 (I
just copy everything fro...

The section "Using classes that are generic in stubs but not at runtime"
on the runtime_trouble...

This adds a commit which fixes issue
https://github.com/python/mypy/issues/9655 wherein some ty...

Could help with e.g. https://github.com/matplotlib/matplotlib/pull/24976

(Basic functionality was implemented by @wesleywright in #14870. I added
overload resolution.)
...

Infer `__init__` argument types from the signatures of descriptor
`__set__` methods, if present...

Fixes #14983

I added this section in #14973. Fixes #14996

Followup PR to #14992

Since the plugin provides superior type checking:
https://github.com/python/mypy/pull/13987#iss...

This is allegedly causing large performance problems, see 13821

typeshed/8231 had zero hits on ...

Source commit:
https://github.com/python/typeshed/commit/6fd245d890b1f1fb0a4d9494c668c42b6e96530e

Also updated a few links that were pointing to redirects.

Skipped following files:

* XML/S...

See #14959

Everyone can use future annotations now. Also forward references are the
most type hinting popu...

Some of the examples here neither ran nor type checked. Remove mention
and use of deprecated AP...

Fixes #11806

This error message was last changed in #11139 to make it more applicable
to f-s...

I was working on adding some extra checks around type aliases to
stubtest, and realised that so...

I didn't realize `builtins` tags in tests add two of the same file,
rendering the first call of...

I was checking through my previous contributions and noticed I messed up
the logic here. I adde...

When creating generic classes using `attrs`, converters with type vars
are not properly integra...

If the cause for failure is a diff, the traceback isn't helpful and in
fact we've been trying t...

As the number grows starts to need search and wondering at what place to
add a new one. Making ...

Fix narrowing union types that include Self with isinstance (Fixes #14912).

The special case ...

This PR removes certain `len()` comparisons when it would be faster/more
succinct to do a truth...

Let the multiple inheritance checks consider callable objects as
possible subtypes of usual fun...

This implements most of #14924. The only thing it _doesn't_ implement is
verification for overl...

#13323 means that stubtest will currently emit an error if the runtime
is decorated with `@abst...

I'm trying to fix this error:
```
float_ops.c:9:15: error: function declaration isn't a protot...

These were undocumented previously.

Fix undefined behavior due to converting a negative float to an unsigned
integer type. Fix edge...

An optimization to make iterating over dict.keys(), dict.values() and
dict.items() faster cause...

Instead, coerce each tuple item individually. This makes some coercions
between tuple types muc...

Fixes #14889

Fix is straightforward. PEP 544 doesn't say anything about this, but IMO
ignori...

Now, runtime code like

```python
from typing import final

@final
class A: ...
```

W...

Fixes #14744

Fixes #14857. The initial implementation overlooked this statement in
[PEP 681](https://peps.py...