update app.py

app.py

@@ -798,6 +798,6 @@ def launch_gradio_app():
     demo_lhm(pose_estimator, facedetector, lhm, cfg)
 
 if __name__ == '__main__':
-    # launch_pretrained()
+    launch_pretrained()
     # launch_env_not_compile_with_cuda()
     launch_gradio_app()