pip升级sklearn失败问题

本文解决Anaconda3环境下使用pip升级scikit-learn遇到的问题,介绍正确的升级方式,避免因卸载错误导致的文件残留问题。

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Anaconda3下安装的python 3.5.2,目前是0.17版本的scikit-learn,已经比较旧,遂准备升级到最新版,使用

pip install -U scikit-learn

报错信息是:

Cannot uninstall ‘scikit-learn’. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall

出错的原因在官方网站上已经说明的很清楚:

所以,不应该使用pip来进行升级或者卸载,而应该使用conda

(.venv) PS D:\Users\KEN\K\随舞4\COSCO-master\COSCO-master> pip install sklearn Collecting sklearn Downloading sklearn-0.0.post12.tar.gz (2.6 kB) 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. [notice] A new release of pip is available: 23.2.1 -> 24.0 [notice] To update, run: python.exe -m pip install --upgrade pip
03-11
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