Update app.py

app.py

@@ -8,7 +8,7 @@ import gradio as gr
 # Assuming OPENROUTER_API_KEY is already set in the environment or Colab secrets
 
 # Retrieve the API key from Colab secrets
-api_key=OPENROUTER_API_KEY
+
 
 # Check if the API key was retrieved
 if not OPENROUTER_API_KEY:
@@ -17,7 +17,7 @@ if not OPENROUTER_API_KEY:
 else:
     client = OpenAI(
         base_url="https://openrouter.ai/api/v1",
-        api_key=OPENROUTER_API_KEY,
+        api_key=os.getenv("OPENROUTER_API_KEY"),
     )
 
     def openrouter_chat(user_message, history):