Update app.py

app.py

@@ -77,9 +77,10 @@ def stream_chat(message: str, history: list, temperature: float, max_new_tokens:
 
     thread = Thread(target=model.generate, kwargs=generate_kwargs)
     thread.start()
-    buffer = ""
-    for new_text in streamer:
-        buffer += new_text
+    buffer = ""   
+    for new_token in streamer:
+        if new_token and '<|user|>' not in new_token:
+            buffer += new_token
         yield buffer
 
 chatbot = gr.Chatbot(height=600, placeholder = PLACEHOLDER)