change mixtral api temperature to 0

metric.py

@@ -60,7 +60,7 @@ def heading(text: str) -> str:
 
 def chat_llm_batch(model_id, prompts, limit= 20):
     parameters = TextGenerationParameters(
-        decoding_method=DecodingMethod.SAMPLE, max_new_tokens=128, min_new_tokens=30, temperature=0.7, top_k=50, top_p=1
+        decoding_method=DecodingMethod.SAMPLE, max_new_tokens=128, min_new_tokens=30, temperature=0, top_k=50, top_p=1
     )
     client = Client(credentials=Credentials.from_env())
     response_list = []