Update app.py

app.py

@@ -5,6 +5,7 @@ from openai import OpenAI
 import gradio as gr
 
 # ——— Configure your OpenRouter key ———
+api_key=os.getenv("OPENROUTER_API_KEY")
 # Assuming OPENROUTER_API_KEY is already set in the environment or Colab secrets
 
 # Retrieve the API key from Colab secrets