fix: remove unused Path import, add comment to empty except

Author: mnriem

src/specify_cli/integrations/catalog.py

@@ -253,7 +253,7 @@ def _fetch_single_catalog(
                     cache_file.unlink(missing_ok=True)
                     cache_meta.unlink(missing_ok=True)
                 except OSError:
-                    pass
+                    pass  # Cache cleanup is best-effort; ignore deletion failures.
 
         try:
             with urllib.request.urlopen(entry.url, timeout=10) as resp:

tests/integrations/test_integration_catalog.py

@@ -2,7 +2,6 @@
 
 import json
 import os
-from pathlib import Path
 
 import pytest
 import yaml