Update main.py

main.py

@@ -57,7 +57,7 @@ def bot():
     agent = create_pandas_dataframe_agent(llm, df, agent="structured_chat-zero-shot-react-description", verbose=True)
     response = agent.run(user_question)
     #response.headers.add('Access-Control-Allow-Origin', '*')
-    return jsonify(response+' and the columns in your data are: 'str(list(df)))
+    return jsonify(response+' and the columns in your data are: ' + str(list(df)))
 
 
 if __name__ == "__main__":