Update app.py

app.py

@@ -247,7 +247,7 @@ def update_project_with_sprite_positions(project_json: dict, sprite_positions: d
     return updated_project
 
 # Helper function to load the block catalog from a JSON file
-def _load_block_catalog_safe(block_type: str) -> Dict:
+def _load_block_catalog(block_type: str) -> Dict:
     """
     Loads the Scratch block catalog named '{block_type}_blocks.json'
     from the <project_root>/blocks/ folder. Returns {} on any error.