def _TryAddMessageField(cls, property_class):
    if property_class in cls._property_to_proto:
      return

    message_field = getattr(property_class, 'message_field', None)
    if message_field is not None:
      cls._property_to_proto[property_class] = message_field
Uninstall the distribution currently satisfying this requirement.
dataset/ETHPy150Open GoogleDeveloperExperts/experts-app-backend/endpoints_proto_datastore/ndb/model.py/EndpointsMetaModel._TryAddMessageField--crossover with--dataset/ETHPy150Open balanced/status.balancedpayments.com/venv/lib/python2.7/site-packages/pip-1.3.1-py2.7.egg/pip/req.py/InstallRequirement.uninstall