Update app.py

app.py

@@ -11,7 +11,7 @@ import gradio as gr
 
 # Load environment variables from .env file
 load_dotenv()
-groq_key = os.environ.get('groq_api_keys')
+groq_key = os.getenv('groq_api_keys')
 # Initialize LLM
 llm = ChatGroq(model="llama-3.1-8b-instant", api_key=groq_key)