r""" makes a string from a list of integer verticies

def verts_str(verts, pad=1):
    r""" makes a string from a list of integer verticies """
    if verts is None:
        return 'None'
    fmtstr = ', '.join(['%' + six.text_type(pad) + 'd' +
                        ', %' + six.text_type(pad) + 'd'] * 1)
    return ', '.join(['(' + fmtstr % vert + ')' for vert in verts])