Use AbstractSet instead of set in random and inspect (#6574)

stdlib/random.pyi

@@ -1,7 +1,7 @@
 import _random
 import sys
 from _typeshed import SupportsLenAndGetItem
-from collections.abc import Callable, Iterable, MutableSequence, Sequence
+from collections.abc import Callable, Iterable, MutableSequence, Sequence, Set as AbstractSet
 from fractions import Fraction
 from typing import Any, ClassVar, NoReturn, Tuple, TypeVar
 
@@ -29,9 +29,11 @@ class Random(_random.Random):
     ) -> list[_T]: ...
     def shuffle(self, x: MutableSequence[Any], random: Callable[[], float] | None = ...) -> None: ...
     if sys.version_info >= (3, 9):
-        def sample(self, population: Sequence[_T] | set[_T], k: int, *, counts: Iterable[_T] | None = ...) -> list[_T]: ...
+        def sample(
+            self, population: Sequence[_T] | AbstractSet[_T], k: int, *, counts: Iterable[_T] | None = ...
+        ) -> list[_T]: ...
     else:
-        def sample(self, population: Sequence[_T] | set[_T], k: int) -> list[_T]: ...
+        def sample(self, population: Sequence[_T] | AbstractSet[_T], k: int) -> list[_T]: ...
     def random(self) -> float: ...
     def uniform(self, a: float, b: float) -> float: ...
     def triangular(self, low: float = ..., high: float = ..., mode: float | None = ...) -> float: ...
@@ -73,10 +75,10 @@ def choices(
 def shuffle(x: MutableSequence[Any], random: Callable[[], float] | None = ...) -> None: ...
 
 if sys.version_info >= (3, 9):
-    def sample(population: Sequence[_T] | set[_T], k: int, *, counts: Iterable[_T] | None = ...) -> list[_T]: ...
+    def sample(population: Sequence[_T] | AbstractSet[_T], k: int, *, counts: Iterable[_T] | None = ...) -> list[_T]: ...
 
 else:
-    def sample(population: Sequence[_T] | set[_T], k: int) -> list[_T]: ...
+    def sample(population: Sequence[_T] | AbstractSet[_T], k: int) -> list[_T]: ...
 
 def random() -> float: ...
 def uniform(a: float, b: float) -> float: ...