New Position-only parameter mismatch with 1.1.344

[sherbang]

Describe the bug
After upgrading from 1.1.343 to 1.1.344 I can no longer find a way to annotate my pydantic validators that pyright will accept.

I was able to replicate the problem with the below reduced code sample.

(Note: I also had to rename my value parameter to __value to match the Protocol, but that seems like an unnecessary requirement since these are position-only parameters)

Code or Screenshots

from collections.abc import Callable
from typing import Any, Protocol


class ModelBeforeValidatorWithoutInfo(Protocol):
    def __call__(
        self,
        cls: Any,
        __value: Any,
    ) -> Any:
        ...


def model_validator() -> Callable[[ModelBeforeValidatorWithoutInfo], Any]:
    ...


class FakeModel:
    @model_validator()
    @classmethod
    def test(cls, __value: Any) -> Any:
        ...

    @model_validator()
    @classmethod
    def test1(cls, __value: Any, /) -> Any:
        ...

Output:

/path/to/pyright_bug.py
  /path/to/pyright_bug.py:19:6 - error: Argument of type "(cls: type[Self@FakeModel], __value: Any, /) -> Any" cannot be assigned to parameter of type "ModelBeforeValidatorWithoutInfo"
    Type "(cls: type[Self@FakeModel], __value: Any, /) -> Any" cannot be assigned to type "(cls: Any, __value: Any) -> Any"
      Position-only parameter mismatch; parameter "cls" is not position-only
      Position-only parameter mismatch; parameter "__value" is not position-only
      Position-only parameter mismatch; expected 2 but received 0 (reportGeneralTypeIssues)
  /path/to/pyright_bug.py:24:6 - error: Argument of type "(cls: type[Self@FakeModel], __value: Any, /) -> Any" cannot be assigned to parameter of type "ModelBeforeValidatorWithoutInfo"
    Type "(cls: type[Self@FakeModel], __value: Any, /) -> Any" cannot be assigned to type "(cls: Any, __value: Any) -> Any"
      Position-only parameter mismatch; parameter "cls" is not position-only
      Position-only parameter mismatch; parameter "__value" is not position-only
      Position-only parameter mismatch; expected 2 but received 0 (reportGeneralTypeIssues)
2 errors, 0 warnings, 0 informations 

If your code relies on symbols that are imported from a third-party library, include the associated import statements and specify which versions of those libraries you have installed.

VS Code extension or command-line
Are you running pyright as a VS Code extension, a language server in another editor, integrated into Pylance, or the command-line tool? Which version?

Running the command-line using the python wrapper:

> pyright --version
pyright 1.1.344

[erictraut]

This is a duplicate of #6875. Looks like both bugs were filed within a couple of minutes of each other :). I'm going to close this one in favor of the other one.