no dotenv

app.py

@@ -12,7 +12,7 @@ from smolagents import (
 from smolagents.models import LiteLLMModel
 #from smolagents.prompts import CODE_SYSTEM_PROMPT
 from huggingface_hub import login
-from dotenv import load_dotenv
+#from dotenv import load_dotenv --- don't need HF spaces
 from bs4 import BeautifulSoup
 import json
 import time
@@ -20,7 +20,7 @@ from datetime import datetime, timedelta
 from collections import deque
 
 # Load environment variables and authenticate
-load_dotenv()
+#load_dotenv() --- see above. Environment variables are loaded in HF Space -> Settings -> Secrets
 hf_token = os.environ.get("HUGGINGFACEHUB_API_TOKEN")
 if hf_token:
     login(token=hf_token)
@@ -359,7 +359,7 @@ class FinalAgent:
         self.model = LiteLLMModel(
             api_key=api_key, 
             # model_id="gpt-4o",
-            model_id="vertex_ai/gemini-pro",
+            model_id="gemini/gemini-pro",
             # model_id="anthropic/claude-3-5-sonnet-20240620",
             temperature=0.5  # Added temperature parameter
         )