def _redo_app_cache(self):
        cache.loaded = False
        cache.handled = set() if django.VERSION >= (1, 6) else {}
        cache.postponed = []
        cache.app_store = SortedDict()
        cache.app_models = SortedDict()
        cache.app_errors = {}
        cache._populate()
Used to repopulate AppCache after fiddling with INSTALLED_APPS.
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/South-1.0.2/south/hacks/django_1_0.py/Hacks._redo_app_cache