Update app.py

app.py

@@ -64,7 +64,7 @@ def predict(message, history):
         num_beams=1,
         use_cache=False,
         temperature=0.4,
-        repetition_penalty=10.,
+        repetition_penalty=1.2,
         stopping_criteria=StoppingCriteriaList([stop])
     )
     t = Thread(target=model.generate, kwargs=generate_kwargs)