Update mtdna_backend.py

mtdna_backend.py

@@ -538,7 +538,7 @@ def load_user_usage():
         parent_id = pipeline.get_or_create_drive_folder("mtDNA-Location-Classifier")
         iterate3_id = pipeline.get_or_create_drive_folder("iterate3", parent_id=parent_id)
 
-        found = pipeline.find_drive_file("user_usage_log.json", parent_folder_id=iterate3_id)
+        found = pipeline.find_drive_file("user_usage_log.json", parent_id=iterate3_id)
         if not found:
             return {}  # not found, start fresh
 
@@ -581,7 +581,7 @@ def save_user_usage(usage_dict):
         with open(tmp_path, "w") as f:
             json.dump(usage_dict, f, indent=2)
 
-        pipeline.upload_file_to_drive(tmp_path, "user_usage_log.json", parent_folder_id=iterate3_id)
+        pipeline.upload_file_to_drive(tmp_path, "user_usage_log.json", parent_id=iterate3_id)
 
     except Exception as e:
         print(f"❌ Failed to save user_usage_log.json to Google Drive: {e}")