@intended_effects.setter
    def intended_effects(self, value):
        self._intended_effects = _IntendedEffects(value)
Checks that we are merging two comparable QuerySet classes. By default
dataset/ETHPy150Open STIXProject/python-stix/stix/campaign/__init__.py/Campaign.intended_effects--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/db/models/query.py/QuerySet._merge_sanity_check