安装/删除conda环境遇到：RemoveError:requests is a dependency of conda and cannot be removed from conda

Preparing transaction: done
Verifying transaction: failed

RemoveError: 'requests' is a dependency of conda and cannot be removed from
conda's operating environment.
RemoveError: 'setuptools' is a dependency of conda and cannot be removed from
conda's operating environment.

解决方法

conda update --force conda

参考：

https://github.com/conda/conda/issues/8149#issuecomment-477799562