old_contents: # -*- coding: utf-8 -*-
  # Copyright (c) 2014, Vispy Development Team.
  # Distributed under the (new) BSD License. See LICENSE.txt for more info.
  
  """
  This module implements classes and methods for handling geometric data.
  """
  
  from __future__ import division
  
  __all__ = ['MeshData', 'PolygonData', 'Rect', 'Triangulation', 'triangulate',
             'create_arrow', 'create_cone', 'create_cube', 'create_cylinder',
             'create_sphere', 'resize']
  
  from .polygon import PolygonData  # noqa
  from .meshdata import MeshData  # noqa
  from .rect import Rect  # noqa
  from .triangulation import Triangulation, triangulate  # noqa
  from .torusknot import TorusKnot  # noqa
  from .calculations import (_calculate_normals, _fast_cross_3d,  # noqa
                             resize)  # noqa
  from .generation import create_arrow, create_box, create_cone, create_cube, \
             create_cylinder, create_plane, create_sphere  # noqa
  
new_contents: # -*- coding: utf-8 -*-
  # Copyright (c) 2014, Vispy Development Team.
  # Distributed under the (new) BSD License. See LICENSE.txt for more info.
  
  """
  This module implements classes and methods for handling geometric data.
  """
  
  from __future__ import division
  
  __all__ = ['MeshData', 'PolygonData', 'Rect', 'Triangulation', 'triangulate',
             'create_arrow', 'create_cone', 'create_cube', 'create_cylinder',
             'create_sphere', 'resize']
  
  from .polygon import PolygonData  # noqa
  from .meshdata import MeshData  # noqa
  from .rect import Rect  # noqa
  from .triangulation import Triangulation, triangulate  # noqa
  from .torusknot import TorusKnot  # noqa
  from .calculations import (_calculate_normals, _fast_cross_3d,  # noqa
                             resize)  # noqa
  from .generation import (create_arrow, create_box, create_cone,  # noqa
                           create_cube, create_cylinder, create_plane,  # noqa
                           create_sphere)  # noqa
  
subject: Fix flake8 issues.