Update app.py

app.py

@@ -61,7 +61,7 @@ def predict(message, history):
         max_new_tokens=300,
         do_sample=True,
         top_k=5,
-        num_beams=2,
+        num_beams=1,
         use_cache=False,
         temperature=0.2,
         repetition_penalty=1.1,