adding secrets

app.py

@@ -12,8 +12,14 @@ from langchain_core.tools import tool
 import gradio as gr
 import numpy as np
 
-load_dotenv()
+#to run locally
+# load_dotenv()
 os.environ['USER_AGENT'] = os.getenv('USER_AGENT', 'Mozilla/5.0 (Windows NT 10.0; Win64; x64)')
+# Load secrets from Hugging Face environment
+openai_api_key = os.getenv("OPENAI_API_KEY")
+tavily_api_key = os.getenv("TAVILY_API_KEY")
+if not openai_api_key or not tavily_api_key:
+    raise ValueError("API keys not set in Hugging Face Secrets")
 
 def load_web_resources(file='websites.txt'):
     urls = ['https://steveblank.com/']