error: subprocess-exited-with-error × python setup.py egg_info did not run successfully.报错-Toy模板网

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LINUX系统，在Anaconda虚拟环境中pip install 包报错

报错的具体信息：

Preparing metadata (setup.py) ... error
  error: subprocess-exited-with-error

  × python setup.py egg_info did not run successfully.
  │ exit code: 1
  ╰─> [15 lines of output]
      The 'sklearn' PyPI package is deprecated, use 'scikit-learn'
      rather than 'sklearn' for pip commands.

      Here is how to fix this error in the main use cases:
      - use 'pip install scikit-learn' rather than 'pip install sklearn'
      - replace 'sklearn' by 'scikit-learn' in your pip requirements files
        (requirements.txt, setup.py, setup.cfg, Pipfile, etc ...)
      - if the 'sklearn' package is used by one of your dependencies,
        it would be great if you take some time to track which package uses
        'sklearn' instead of 'scikit-learn' and report it to their issue tracker
      - as a last resort, set the environment variable
        SKLEARN_ALLOW_DEPRECATED_SKLEARN_PACKAGE_INSTALL=True to avoid this error

      More information is available at
      https://github.com/scikit-learn/sklearn-pypi-package
      [end of output]

  note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed

× Encountered error while generating package metadata.
╰─> See above for output.

note: This is an issue with the package mentioned above, not pip.
hint: See above for details.

网上找的改正方法是：
pip install --upgrade setuptools
但是不行，最后仔细看了报错信息，谜底就在谜面上啊！Here is how to fix this error in the main use cases:这一行给出了修补方法，我直接简单粗暴整最后一个。
在环境中加入SKLEARN_ALLOW_DEPRECATED_SKLEARN_PACKAGE_INSTALL=True这个就可以了
具体命令行为：

vim ~/.bashrc
# i进入编辑模式
export SKLEARN_ALLOW_DEPRECATED_SKLEARN_PACKAGE_INSTALL=True
# esc键退出编辑模式，：wq保存并退出
source ~/.bashrc

如果你跟我一样是在anaconda里面装的虚拟环境的话，注意这个时候你又返回到base环境中，需要激活你的环境再pip install 你要安装的包，就可以成功了。

祝你也successfully installed。文章来源地址https://www.toymoban.com/news/detail-805022.html

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