def _clone_properties(self):
    cls = self.__class__
    if self._properties is cls._properties:
      self._properties = dict(cls._properties)
Initialize the grid and variables for incompressible flow and
dataset/ETHPy150Open GoogleCloudPlatform/datastore-ndb-python/ndb/model.py/Model._clone_properties--crossover with--dataset/ETHPy150Open zingale/pyro2/lm_combustion/simulation.py/Simulation.initialize