Update app.py

app.py

@@ -5,7 +5,7 @@ from typing import List, Tuple
 
 # Configuration - Set your API key in Hugging Face Spaces Secrets
 API_URL = "https://api.deepseek.com/v1/chat/completions"
-API_KEY = os.getenv("sk-cdfd20997de44ba4a7719217b51452ff")  # Add this in Spaces Settings > Secrets
+API_KEY = os.getenv("DEEPSEEK_API_KEY")  # Add this in Spaces Settings > Secrets
 
 headers = {
     "Authorization": f"Bearer {API_KEY}",