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

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

Author: pre-commit-ci[bot]

tests/test_filelock.py

@@ -19,7 +19,6 @@
 import pytest
 
 from filelock import BaseFileLock, FileLock, SoftFileLock, Timeout, UnixFileLock, WindowsFileLock
-import filelock
 
 if TYPE_CHECKING:
     from collections.abc import Iterator