Add on_delete=PROTECT to media file reference, so deleting a media file won't silently delete all ContentWithMediaFile.
Add on_delete=PROTECT to media file reference, so deleting a media file won't silently delete all ContentWithMediaFile.

joshuajonah/feincms,feincms/feincms,mjl/feincms,joshuajonah/feincms,feincms/feincms,joshuajonah/feincms,mjl/feincms,feincms/feincms,joshuajonah/feincms,mjl/feincms