Update app.py

app.py

@@ -1,8 +1,9 @@
 # ── Imports & API setup ─────────────────────────────────────────────────────────
 import os, requests, gradio as gr
-from google.colab import userdata
 
-groq_api_key = userdata.get("GROQ_API_KEY")
+
+groq_api_key = os.getenv("GROQ_API_KEY")
+
 url, headers = (
     "https://api.groq.com/openai/v1/chat/completions",
     {"Authorization": f"Bearer {groq_api_key}"}