do not use typevar

Author: donbarbos

stdlib/unittest/util.pyi

@@ -4,7 +4,6 @@ from typing import Final, Literal, TypeVar
 from typing_extensions import TypeAlias
 
 _T = TypeVar("_T")
-_Comp = TypeVar("_Comp", bound=_SupportsComparison)
 _Mismatch: TypeAlias = tuple[_T, _T, int]
 
 _MAX_LENGTH: Final = 80
@@ -20,6 +19,6 @@ def safe_repr(obj: object, short: bool = False) -> str: ...
 def strclass(cls: type) -> str: ...
 def sorted_list_difference(expected: Sequence[_T], actual: Sequence[_T]) -> tuple[list[_T], list[_T]]: ...
 def unorderable_list_difference(expected: MutableSequence[_T], actual: MutableSequence[_T]) -> tuple[list[_T], list[_T]]: ...
-def three_way_cmp(x: _Comp, y: _Comp) -> Literal[-1, 0, 1]: ...
+def three_way_cmp(x: _SupportsComparison, y: _SupportsComparison) -> Literal[-1, 0, 1]: ...
 def _count_diff_all_purpose(actual: Sequence[_T], expected: Sequence[_T]) -> list[_Mismatch[_T]]: ...
 def _count_diff_hashable(actual: Sequence[_T], expected: Sequence[_T]) -> list[_Mismatch[_T]]: ...