Update app.py

app.py

@@ -77,7 +77,7 @@ def stream_chat(message: str, history: list, temperature: float, max_new_tokens:
         temperature=temperature,
     )
 
-    gen_text = tokenizer.decode(gen_tokens[0], skip_special_tokens=True)
+    gen_text = tokenizer.batch_decode(gen_tokens[0], skip_special_tokens=True)
 
     return gen_text