HOW TO delete empty images in batch if no face detected?

[Maelstrom2014]

Please tell HOW TO delete empty images in batch (after face detect) if no face detected?
ipadapter makes error on empty images images.

[dchatel]

It's a dirty hack to avoid running into an error when no faces are detected. Never got really satisfied with it. DetectFaces should really return None if no faces are detected. But then the following standard workflow would not work. I need to think this a bit more.