[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

mypy/stubgen.py

@@ -47,8 +47,7 @@
 import os.path
 import sys
 import traceback
-from typing import Iterable
-from typing_extensions import Final
+from typing import Final, Iterable
 
 import mypy.build
 import mypy.mixedtraverser

mypy/stubutil.py

@@ -8,8 +8,8 @@
 from abc import abstractmethod
 from collections import defaultdict
 from contextlib import contextmanager
-from typing import Iterable, Iterator, Mapping
-from typing_extensions import Final, overload
+from typing import Final, Iterable, Iterator, Mapping
+from typing_extensions import overload
 
 from mypy_extensions import mypyc_attr