def show_plot_methods(self):
        """Print the plotmethods of this instance"""
        print_func = PlotterInterface._print_func
        if print_func is None:
            print_func = six.print_
        s = "\n".join(
            "%s\n    %s" % t for t in six.iteritems(self._plot_methods))
        return print_func(s)
Print the plotmethods of this instance