code: def autodiscover_modules():
      
      import imp
      from django.conf import settings
  
      for app in settings.INSTALLED_APPS:
          try:
              __import__(app)
              app_path = sys.modules[app].__path__
          except AttributeError:
              continue
          try:
              imp.find_module('permissions', app_path)
          except ImportError:
              continue
          __import__("%s.permissions" % app)
          app_path = sys.modules["%s.permissions" % app]
      LOADING = False
docs: Goes and imports the permissions submodule of every app in INSTALLED_APPS
      to make sure the permission set classes are registered correctly.