@staticmethod
def _check_valid_region_arg(region):
    """
		Check that the string passed is a valid brain region name.

		:param region: string, acronym of a brain region according to the Allen Brain Atlas.

		"""
    if not isinstance(region, int) and not isinstance(region, str):
        raise ValueError('region must be a list, integer or string, not: {}'
            .format(type(region)))
    else:
        return True
