flake 8 fix

Author: jahrules

tests/test_filelock.py

@@ -11,7 +11,7 @@
 from pathlib import Path, PurePath
 from stat import S_IWGRP, S_IWOTH, S_IWUSR, filemode
 from types import TracebackType
-from typing import Callable, Iterator, Tuple, Type, TYPE_CHECKING, Union
+from typing import Callable, Iterator, Tuple, Type, Union
 
 import pytest
 from _pytest.logging import LogCaptureFixture
@@ -26,9 +26,6 @@
     WindowsFileLock,
 )
 
-if TYPE_CHECKING:
-    from _typeshed import HasFileno
-
 
 @pytest.mark.parametrize(
     ("lock_type", "path_type"),