安装requirements里面的包时发生如下报错：
To search for alternate channels that may provide the conda package you're
looking for, navigate to
https://anaconda.org
and use the search bar at the top of the page.
更换了好多源，也试过了好多方法，都没有解决问题。
最后在最新的一篇文章里面找到了解决办法：
To search for alternate channels that may provide the conda package you’re looking for, navigate to_天龙哥666的博客-CSDN博客
只需要在下包之前输入如下命令就可以了
conda config --add channels conda-forge文章出处登录后可见！
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