小编Cla*_*rtu的帖子

我是 python 新手，我正在尝试运行一些需要一些库的基本代码。当我尝试安装一个库（例如 pip install matplotlib-venn）时，我收到了这个长错误：

    ERROR: Command errored out with exit status 1:
     command: 'c:\users\scurt\appdata\local\programs\python\python39\python.exe' -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\scurt\\AppData\\Local\\Temp\\pip-install-msmwhfl3\\matplotlib\\setup.py'"'"'; __file__='"'"'C:\\Users\\scurt\\AppData\\Local\\Temp\\pip-install-msmwhfl3\\matplotlib\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base 
'C:\Users\scurt\AppData\Local\Temp\pip-pip-egg-info-g0f_wde0'
         cwd: C:\Users\scurt\AppData\Local\Temp\pip-install-msmwhfl3\matplotlib\
    Complete output (249 lines):
    WARNING: The wheel package is not available.
        ERROR: Command errored out with exit status 1:
         command: 'c:\users\scurt\appdata\local\programs\python\python39\python.exe' 'c:\users\scurt\appdata\local\programs\python\python39\lib\site-packages\pip\_vendor\pep517\_in_process.py' prepare_metadata_for_build_wheel 'C:\Users\scurt\AppData\Local\Temp\tmpd9x4v47l'
             cwd: C:\Users\scurt\AppData\Local\Temp\pip-wheel-24k214oa\numpy
        Complete output (200 lines):
        Running from numpy source directory.
        setup.py:470: UserWarning: Unrecognized setuptools command, proceeding with generating Cython 
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