def envelope(self, **kwargs):
        return self._geom_attribute('envelope', **kwargs)
A hook which let the plugin instance sanitize the current object model while saving it.
dataset/ETHPy150Open django/django/django/contrib/gis/db/models/query.py/GeoQuerySet.envelope--crossover with--dataset/ETHPy150Open jrief/djangocms-cascade/cmsplugin_cascade/models_base.py/CascadeModelBase.save