Replace condition `qs.all()` with `qs.exists()`
Replace condition `qs.all()` with `qs.exists()`

OSU-Net/cyder,zeeman/cyder,murrown/cyder,zeeman/cyder,akeym/cyder,murrown/cyder,OSU-Net/cyder,murrown/cyder,murrown/cyder,drkitty/cyder,zeeman/cyder,drkitty/cyder,akeym/cyder,drkitty/cyder,akeym/cyder,akeym/cyder,drkitty/cyder,OSU-Net/cyder,zeeman/cyder,OSU-Net/cyder