Update excel_chat.py

excel_chat.py

@@ -58,7 +58,7 @@ def ask_llm(query, user_input, client_index, user, keys):
         return response.content[0].text
 
     elif "GPT 4o" in client_index:
-        client = OpenAI(api_key=os.environ[user['api_keys']['gpt-4o']])
+        client = OpenAI(api_key=os.environ["OPENAI_YCHK"])
         response = client.messages.create(
             model="gpt-4o",
             messages=messageC
@@ -66,7 +66,7 @@ def ask_llm(query, user_input, client_index, user, keys):
         return response.content[0].text
 
     elif "Perplexity" in client_index:
-        client = OpenAI(api_key=os.environ[user['api_keys']['perplexity']], base_url="https://api.perplexity.ai")
+        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",