Update excel_chat.py

excel_chat.py

@@ -69,10 +69,9 @@ def ask_llm(query, user_input, client_index, user, keys):
     elif "Perplexity" in client_index:
         client = OpenAI(api_key=os.environ["PERPLEXITY_ALMAA"], base_url="https://api.perplexity.ai")
         model_map = {
-                "Perplexity Mixtral": "mixtral-8x7b-instruct",
                 "Perplexity Llama3 70b": "llama-3-70b-instruct",
                 "Perplexity Llama3 8b": "llama-3-8b-instruct",
-                "Perplexity Llama3 Sonar Small": "llama-3-sonar-small-32k-chat"
+                "Perplexity Llama3 Sonar Small": "llama-3-sonar-small-32k-chat",
                 "Perplexity Llama3 Sonar Large": "llama-3-sonar-large-32k-chat"
             }
         response = client.chat.completions.create(