Add __hash__ for a bunch of types that set it to None (#13286)

stdlib/unittest/mock.pyi

@@ -2,7 +2,7 @@ import sys
 from collections.abc import Awaitable, Callable, Coroutine, Iterable, Mapping, Sequence
 from contextlib import _GeneratorContextManager
 from types import TracebackType
-from typing import Any, Final, Generic, Literal, TypeVar, overload
+from typing import Any, ClassVar, Final, Generic, Literal, TypeVar, overload
 from typing_extensions import ParamSpec, Self, TypeAlias
 
 _T = TypeVar("_T")
@@ -85,6 +85,7 @@ class _Call(tuple[Any, ...]):
         two: bool = False,
         from_kall: bool = True,
     ) -> None: ...
+    __hash__: ClassVar[None]  # type: ignore[assignment]
     def __eq__(self, other: object) -> bool: ...
     def __ne__(self, value: object, /) -> bool: ...
     def __call__(self, *args: Any, **kwargs: Any) -> _Call: ...
@@ -403,6 +404,7 @@ class MagicProxy(Base):
 class _ANY:
     def __eq__(self, other: object) -> Literal[True]: ...
     def __ne__(self, other: object) -> Literal[False]: ...
+    __hash__: ClassVar[None]  # type: ignore[assignment]
 
 ANY: Any
 

stdlib/unittest/suite.pyi

@@ -1,6 +1,7 @@
 import unittest.case
 import unittest.result
 from collections.abc import Iterable, Iterator
+from typing import ClassVar
 from typing_extensions import TypeAlias
 
 _TestType: TypeAlias = unittest.case.TestCase | TestSuite
@@ -17,6 +18,7 @@ class BaseTestSuite:
     def countTestCases(self) -> int: ...
     def __iter__(self) -> Iterator[_TestType]: ...
     def __eq__(self, other: object) -> bool: ...
+    __hash__: ClassVar[None]  # type: ignore[assignment]
 
 class TestSuite(BaseTestSuite):
     def run(self, result: unittest.result.TestResult, debug: bool = False) -> unittest.result.TestResult: ...