fix: soscleaner get relative_path safely - 2 (#3754)

- the previous update didn't fix this issue totally

Signed-off-by: Xiangce Liu <[email protected]>

insights/contrib/soscleaner.py

@@ -741,7 +741,7 @@ def _excluded_files(self):
                         results = meta_data["results"]
                     else:
                         results = [meta_data["results"]]
-                    relative_paths = [result["object"]["relative_path"] for result in results if 'object' in result]
+                    relative_paths = [result["object"]["relative_path"] for result in results if result and 'object' in result]
                     excluded_files.extend(relative_paths) if relative_paths else None
         return excluded_files