def get(self, name: str, default: Any = None) -> np.ndarray:
		"""
		Return the value for a named attribute if it exists, else default.
		If default is not given, it defaults to None, so that this method never raises a KeyError.
		"""
		if name in self:
			return self[name]
		else:
			return default
Return the value for a named attribute if it exists, else default.
		If default is not given, it defaults to None, so that this method never raises a KeyError.