Add back `# type:ignore` (#6695)

* Add back `# type:ignore`

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

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

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

tests/conftest.py

@@ -8,7 +8,7 @@ import shutil
 try:
     from importlib.resources import files
 except ImportError:
-    from importlib_resources import files
+    from importlib_resources import files  # type:ignore
 
 import pytest