Update cfapi.py

Author: KRRT7

codeflash/api/cfapi.py

@@ -197,4 +197,4 @@ def get_blocklisted_functions() -> dict[str, set[str]] | dict[str, Any]:
         logger.error(f"Error getting blocklisted functions: {e}", exc_info=True)
         return {}
 
-    return {Path(k).name: {v.replace("()", "") for v in values} for k, values in content.items()}
+    return {Path(k).name: set(v.replace("()", "") for v in values) for k, values in content.items()}