Update app.py

app.py

@@ -4,6 +4,15 @@ import streamlit as st
 from openai import OpenAI
 
 # Get the API key from the environment settings
+
+from dotenv import load_dotenv
+
+# Load environment variables from .env file
+load_dotenv()
+
+# Now retrieve the API key
+api_key_nvidia = os.getenv("api_key_nvidia")
+
 api_key_nvidia = os.environ.get("api_key_nvidia")
 
 # If there is no API key, show an error message and stop the program