pyinstrument (https://github.com/joerick/pyinstrument)
- error[lint:invalid-return-type] /tmp/mypy_primer/projects/pyinstrument/test/util.py:122:12: Object of type `Literal[wrapped]` is not assignable to return type `() -> None`
- error[lint:invalid-argument-type] /tmp/mypy_primer/projects/pyinstrument/test/low_level/test_context.py:48:19: Object of type `Literal[busy_wait]` cannot be assigned to parameter 2 (`callable`) of bound method `run`; expected type `(...) -> Unknown`
- error[lint:invalid-argument-type] /tmp/mypy_primer/projects/pyinstrument/test/low_level/test_context.py:49:19: Object of type `Literal[busy_wait]` cannot be assigned to parameter 2 (`callable`) of bound method `run`; expected type `(...) -> Unknown`
- Found 273 diagnostics
+ Found 270 diagnostics

isort (https://github.com/pycqa/isort)
- error[lint:invalid-return-type] /tmp/mypy_primer/projects/isort/isort/literal.py:84:12: Object of type `Literal[wrap]` is not assignable to return type `((Any, ISortPrettyPrinter, /) -> str, /) -> (Any, ISortPrettyPrinter, /) -> str`
- error[lint:invalid-argument-type] /tmp/mypy_primer/projects/isort/isort/main.py:1126:77: Object of type `Literal[_preconvert]` cannot be assigned to parameter `default` of function `dumps`; expected type `((Any, /) -> Any) | None`
- error[lint:invalid-assignment] /tmp/mypy_primer/projects/isort/isort/settings.py:749:9: Object of type `Literal[from_string]` is not assignable to `((str, /) -> Any) | type[Any]`
- Found 53 diagnostics
+ Found 50 diagnostics

black (https://github.com/psf/black)
- error[lint:invalid-return-type] /tmp/mypy_primer/projects/black/src/black/trans.py:2482:12: Object of type `Literal[insert_str_child]` is not assignable to return type `(@Todo(Inference of subscript on special form), /) -> None`
- Found 212 diagnostics
+ Found 211 diagnostics

rich (https://github.com/Textualize/rich)
- error[lint:invalid-parameter-default] /tmp/mypy_primer/projects/rich/rich/cells.py:51:25: Default value of type `Literal[cached_cell_len]` is not assignable to annotated parameter type `(str, /) -> int`
- error[lint:invalid-assignment] /tmp/mypy_primer/projects/rich/rich/pretty.py:226:9: Object of type `Literal[display_hook]` is not assignable to attribute `displayhook` of type `(object, /) -> Any`
- error[lint:invalid-return-type] /tmp/mypy_primer/projects/rich/rich/console.py:512:16: Object of type `Literal[_replace]` is not assignable to return type `(...) -> Group`
- error[lint:invalid-return-type] /tmp/mypy_primer/projects/rich/rich/console.py:514:12: Object of type `Literal[decorator]` is not assignable to return type `(...) -> (...) -> Group`
- error[lint:invalid-assignment] /tmp/mypy_primer/projects/rich/rich/traceback.py:207:9: Object of type `Literal[excepthook]` is not assignable to attribute `excepthook` of type `(type[BaseException], BaseException, TracebackType | None, /) -> Any`
- Found 583 diagnostics
+ Found 578 diagnostics