def add_state_segments(self, *args, **kwargs):
        """DEPRECATED: use :meth:`Plot.add_segments_bar`
        """
        warnings.warn('add_state_segments() was renamed add_segments_bar(), '
                      'this warning will result in an error in the future',
                      DeprecationWarning)
        return self.add_segments_bar(*args, **kwargs)
DEPRECATED: use :meth:`Plot.add_segments_bar`