Update app.py

app.py

@@ -92,7 +92,7 @@ def predict(message, history, system_prompt, temperature, max_new_tokens, top_k,
     generate_kwargs = dict(
         {"input_ids": input_ids.to(device), "attention_mask": attention_mask.to(device)},
         streamer=streamer,
-        do_sample=True,
+        do_sample=True if temperature else False,
         temperature=temperature,
         max_new_tokens=max_new_tokens,
         top_k=top_k,