update app

app.py

@@ -42,7 +42,6 @@ def generate_response(message, temperature=0.7, max_new_tokens=256):
             do_sample=True,
             top_k=50,
             top_p=0.9,
-            repetition_penalty=1.2,
             pad_token_id=tokenizer.pad_token_id,
             eos_token_id=tokenizer.eos_token_id,
             batch_size=1