code: def get(self, key):
      '''Return the object named by key or None if it does not exist.
      Retrieves the value from the ``child_datastore``, and de-serializes
      it on the way out.
  
      Args:
        key: Key naming the object to retrieve
  
      Returns:
        object or None
      '''
  
      ''''''
      value = self.child_datastore.get(key)
      return self.deserializedValue(valuef get(self, key):
      '''Return the object named by key or None if it does not exist.
      Retrieves the value from the ``child_datastore``, and de-serializes
      it on the way out.
  
      Args:
        key: Key naming the object to retrieve
  
      Returns:
        object or None
      '''
  
      ''''''
      value = self.child_datastore.get(key)
      return self.deserializedValue(value)
docs: Return the object named by key or None if it does not exist.
      Retrieves the value from the ``child_datastore``, and de-serializes
      it on the way out.
  
      Args:
        key: Key naming the object to retrieve
  
      Returns:
        object or None