versatileimagefield/fields.py
def pre_save(self, model_instance, add):
        """Return field's value just before saving."""
        file = super(VersatileImageField, self).pre_save(model_instance, add)
        self.update_ppoi_field(model_instance)
        return file
def pre_save(self, model_instance, add):
        """Return field's value just before saving."""
        file = super(VersatileImageField, self).pre_save(model_instance, add)
        self.update_ppoi_field(model_instance)
        return file
Return field's value just before saving.