@classmethod
def from_dict(cls, tree):
    """Make an SeparatedCoords from a dictionary, previously created by `to_dict()`.

		Parameters
		----------
		tree : dictionary
			The dictionary from which to make a new SeparatedCoords object.

		Returns
		-------
		SeparatedCoords
			The created object.

		Raises
		------
		ValueError
			If the dictionary is not formatted correctly.
		"""
    if tree['type'] != 'separated':
        raise ValueError('The type of coordinates should be "separated".')
    return cls(tree['separated_coords'])
