@property
  def direction(self):
    return self.__direction
Test registry isPortSubType
dataset/ETHPy150Open GoogleCloudPlatform/datastore-ndb-python/ndb/model.py/IndexProperty.direction--crossover with--dataset/ETHPy150Open VisTrails/VisTrails/vistrails/core/vistrail/port.py/TestPort.test_registry_ports_can_connect