bug: replaced deepseek with nemo

app.py

@@ -108,7 +108,7 @@ def rag_chatbot(
         logger.info("Trying to call openAI chat API...")
         messages = get_messages(docs, user_message, chat_history)
         chatCompletion_response = openAI_client.chat.completions.create(
-            model="deepseek/r1-distill-llama-70b/fp-8",
+            model="mistralai/mistral-nemo-12b-instruct/fp-8",
             messages=messages,
             stream=True,
         )
@@ -123,7 +123,7 @@ def rag_chatbot(
         return
 
     try:
-        logger.info("Trying to stream LLM response...")
+        logger.info("Trying to parse LLM response...")
         llm_thinking = False
         buffer = ""
         chat_history.append({"role": "user", "content": user_message})