mitmproxy运行错误cannot import name ‘soft_unicode’ from ‘markupsafe’ 解决方案

ImportError: cannot import name ‘soft_unicode’ from ‘markupsafe’ (/opt/module/miniconda3/envs/superset/lib/python3.7/site-packages/markupsafe/init.py)
解决方法：

python -m pip install markupsafe==2.0.1