Validacion de secret values

app.py

@@ -10,6 +10,9 @@ from huggingface_hub import snapshot_download
 SPACE_USERNAME = os.getenv('SPACE_USERNAME')
 SPACE_PASSWORD = os.getenv('SPACE_PASSWORD')
 
+if not SPACE_USERNAME or not SPACE_PASSWORD:
+    raise ValueError("Las credenciales no están configuradas correctamente.")
+
 snapshot_download(repo_id="Roomie/xavyy", cache_dir='./')
 
 pipeline = AutoPipelineForText2Image.from_pretrained(