Update app.py

app.py

@@ -262,7 +262,7 @@ app.mount("/static", StaticFiles(directory="static"), name="static")
 templates = Jinja2Templates(directory="static")
 
 # Validate environment variables
-required_env_vars = ["GROQ_API_KEY", "username", "password", "security_token", "domain"]
+required_env_vars = ["CHATGROQ_API_KEY", "username", "password", "security_token", "domain"]
 for var in required_env_vars:
     if not os.getenv(var):
         logger.error(f"Environment variable {var} is not set")