bug fix: line number

utils.py

@@ -11,6 +11,7 @@ def prompt_generator(question: str, db_knn: dict) -> tuple[str, str, str]:
         context += (data + "\n")
         data = ast.literal_eval(data)
 
+        line_number = ""
         if data['type'] == "function" or data['type'] == "class":
             line_number = f"#L{data['lineno'][0]}-L{data['lineno'][1]}"