code: def imbound(clspatch, *args, **kwargs):
      
      # todo : add example
  
      c = kwargs.pop('color', kwargs.get('edgecolor', None))
      kwargs.update(facecolor='none', edgecolor=c)
      return impatch(clspatch, *args, **kwargs)
docs: :param clspatch:
      :param args:
      :param kwargs:
      :return: