debug

app.py

@@ -75,7 +75,7 @@ def predict(message, history):
         if msg['role'] == "user":
             history_langchain_format.append(HumanMessage(content=msg['content']))
         elif msg['role'] == "assistant":
-            history_langchain_format.append(AIMessage(content=msg['content"]))
+            history_langchain_format.append(AIMessage(content=msg['content']))
     
     # Add new user message
     history_langchain_format.append(HumanMessage(content=message))