core: cleanup/sort imports according to ruff check --select I

my/core/tests/test_get_files.py

@@ -1,15 +1,15 @@
 import os
-from pathlib import Path
 import shutil
 import tempfile
-from typing import TYPE_CHECKING
 import zipfile
+from pathlib import Path
+from typing import TYPE_CHECKING
+
+import pytest
 
 from ..common import get_files
 from ..kompress import CPath, ZipPath
 
-import pytest
-
 
 # hack to replace all /tmp with 'real' tmp dir
 # not ideal, but makes tests more concise