text: # -*- coding: utf-8 -*-
  """
  ======================================================================
  Point groups (:mod:`sknano.utils.symmetry_groups._point_groups`)
  ======================================================================
  
  .. currentmodule:: sknano.utils.symmetry_groups._point_groups
  
  """
  from __future__ import absolute_import, division, print_function
  from __future__ import unicode_literals
  __docformat__ = 'restructuredtext en'
  
  __all__ = ['PointGroup']
  
  
  class PointGroup:
      pass
  