Update app.py

app.py

@@ -77,7 +77,7 @@ def generate(prompt, history,max_new_tokens,health,temperature=temperature,top_p
             yield "",[(prompt,output)],health
     generate_kwargs2 = dict(
         temperature=temperature,
-        max_new_tokens=256,
+        max_new_tokens=128,
         top_p=top_p,
         repetition_penalty=repetition_penalty,
         do_sample=True,