@classmethod
  def register_options(cls, register):
Implements contract for django-portlets. Returns always None as there
dataset/ETHPy150Open pantsbuild/pants/src/python/pants/option/optionable.py/Optionable.register_options--crossover with--dataset/ETHPy150Open diefenbach/django-lfs/lfs/core/models.py/Shop.get_parent_for_portlets