def unclear_app_cache(self):
        cache.app_models = self.old_app_models
        cache._get_models_cache = {}
Reversed the effects of clear_app_cache.
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/South-1.0.2/south/hacks/django_1_0.py/Hacks.unclear_app_cache