def _opt_call_to_base_type(self, value):
    if not isinstance(value, _BaseValue):
      value = _BaseValue(self._call_to_base_type(value))
    return value
Delete the semantic labelling for the provided label.
dataset/ETHPy150Open GoogleCloudPlatform/datastore-ndb-python/ndb/model.py/Property._opt_call_to_base_type--crossover with--dataset/ETHPy150Open menpo/menpo/menpo/landmark/base.py/LandmarkGroup.__delitem__