Update multi_agent.py

multi_agent.py

@@ -50,11 +50,16 @@ def run_multi_agent(llm, message):
         max_turns=10
     )
 
-    chat_history = ""
-
-    chat_result_json = json.loads(chat_result)
-        
-    for message in chat_result_json["messages"]:
+    chat_history_dict = chat_result.to_dict()
+    
+    # Convert the dictionary to a JSON string
+    chat_history_json = json.dumps(chat_history_dict)
+    
+    # Parse the JSON string
+    chat_history_parsed = json.loads(chat_history_json)
+    
+    # Iterate over the messages and print the role and content
+    for message in chat_history_parsed["messages"]:
         chat_history += f"Role: {message['role']}, Content: {message['content']}\n"
     
     image_data = read_image_file("/home/user/app/coding/ytd_stock_gains.png")