def activate_bodies(self):
        self._a.activate()
        self._b.activate()
Checks the cache and runs the cron or not.
dataset/ETHPy150Open estevaofon/angry-birds-python/pymunk-4.0.0/pymunk/constraint.py/Constraint.activate_bodies--crossover with--dataset/ETHPy150Open Tivix/django-cron/django_cron/management/commands/runcrons.py/run_cron_with_cache_check