Update app.py

app.py

@@ -104,7 +104,7 @@ def stream_chat(
         top_k=top_k,
         temperature=temperature,
         repetition_penalty=repetition_penalty,
-        no_repeat_ngram_size = 3
+        no_repeat_ngram_size = no_repeat_ngram_size,
         pad_token_id=tokenizer.pad_token_id,
         eos_token_id=tokenizer.eos_token_id,
         streamer=streamer,