Update app.py

app.py

@@ -26,6 +26,18 @@ def respond(
     top_p,
     system_message,
 ):
+    try:
+        client = get_client(model_name)  # 여기서 client를 정의합니다.
+    except ValueError as e:
+        chat_history.append((message, str(e)))
+        return chat_history
+
+    messages = [{"role": "system", "content": system_message}]
+    for human, assistant in chat_history:
+        messages.append({"role": "user", "content": human})
+        messages.append({"role": "assistant", "content": assistant})
+    messages.append({"role": "user", "content": message})
+
     try:
         stream = client.chat_completion(
             messages,