error revise

app.py

@@ -58,7 +58,7 @@ def get_json_file(docs):
     with open(temp_filepath, 'wb') as f:
         f.write(docs.getvalue())
     json_loader = JSONLoader(file_path=temp_filepath,
-                             jq_schema='.messages[].userId',
+                             jq_schema='.messages[].content',
                              text_content=False)
     data = json_loader.load()
     return data