conda 安装的LEsfe,过程中出现的数据格式问题

conda 安装的LEsfe,过程中出现的数据格式问题
(lefse) LuYao$ lefse_plot_res.py jxz_lefse.res jxz_lefse.pdf --format pdf
Traceback (most recent call last):
  File "/Users/luyao/miniconda3/envs/lefse/bin/lefse_plot_res.py", line 10, in 
    sys.exit(plot_res())
  File "/Users/luyao/miniconda3/envs/lefse/lib/python3.10/site-packages/lefse/lefse_plot_res.py", line 177, in plot_res
    else: plot_histo_hor(params['output_file'],params,data,len(data['cls']) == 2,params['report_features'])
  File "/Users/luyao/miniconda3/envs/lefse/lib/python3.10/site-packages/lefse/lefse_plot_res.py", line 104, in plot_histo_hor
    if len(rr) > params['max_feature_len']: rr = rr[:params['max_feature_len']/2-2]+" [..]"+rr[-params['max_feature_len']/2+2:]
TypeError: slice indices must be integers or None or have an __index__ method

我不知道怎么解决,请大家帮我想想办法,谢啦!!