运行命令：
conda install mpi4py
报错：
Retrieving notices: ...working... ERROR conda.notices.fetch:get_channel_notice_response(63): Request error <HTTPSConnectionPool(host='mirrors.tuna.tsinghua.edu.cn', port=443): Max retries exceeded with url: /anaconda/pkgs/main/notices.json (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:997)')))> for channel: defaults url: https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main/notices.json
ERROR conda.notices.fetch:get_channel_notice_response(63): Request error <HTTPSConnectionPool(host='mirrors.tuna.tsinghua.edu.cn', port=443): Max retries exceeded with url: /anaconda/pkgs/msys2/notices.json (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:997)')))> for channel: defaults url: https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/msys2/notices.json
ERROR conda.notices.fetch:get_channel_notice_response(63): Request error <HTTPSConnectionPool(host='mirrors.tuna.tsinghua.edu.cn', port=443): Max retries exceeded with url: /anaconda/pkgs/free/notices.json (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:997)')))> for channel: defaults url: https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/notices.json
ERROR conda.notices.fetch:get_channel_notice_response(63): Request error <HTTPSConnectionPool(host='mirrors.tuna.tsinghua.edu.cn', port=443): Max retries exceeded with url: /anaconda/pkgs/pro/notices.json (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:997)')))> for channel: defaults url: https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/pro/notices.json
ERROR conda.notices.fetch:get_channel_notice_response(63): Request error <HTTPSConnectionPool(host='mirrors.tuna.tsinghua.edu.cn', port=443): Max retries exceeded with url: /anaconda/pkgs/r/notices.json (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:997)')))> for channel: defaults url: https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/r/notices.json
done
解决方法：
设置环境变量，在shell终端输入下面命令：
export REQUESTS_CA_BUNDLE=
export CURL_CA_BUNDLE=
====================================
参考：
https://blog.csdn.net/jsf06/article/details/129328411
标签：certificate,get,verify,报错,https,anaconda,notices,conda,channel From： https://www.cnblogs.com/devilmaycry812839668/p/17453294.html