problem
An HTTP error occurred when trying to retrieve this URL.
HTTP errors are often intermittent, and a simple retry will get you on your way.
'https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/r/osx-64
Solution: It seems that Anaconda ’s domestic mirrors have been disabled, and Tsinghua Yuan and Zhongke Dayuan are not used anymore. These are deleted and replaced by default. Although it is slower, it has succeeded.
