Update app.py

app.py

@@ -177,7 +177,7 @@ def respond(message, history):
                 messages = f"<|im_start|>system\n 👋, I am Nora,mini a helpful assistant.Ask me! I will do my best!!<|im_end|>"
                 for msg in history:
                     messages += f"\n<|im_start|>user\n{str(msg[0])}<|im_end|>"
-                    messages += f"\n<|im_start|>assistant\n{str(msg[1])}"
+                    messages += f"\n<|im_start|>assistant\n{str(msg[1])}<|im_end|>"
                 messages+=f"\n<|im_start|>user\n{message_text}<|im_end|>\n<|im_start|>assistant\n"
                 stream = client_yi.text_generation(messages, max_new_tokens=2000, do_sample=True, stream=True, details=True, return_full_text=False)
                 output = ""