Python3：ValueError：无效变量'py_version_nodot_plat'

Question

我正在尝试在 cmd/windows10 上安装这个库：

py -m pip install PyExecJS

我收到了这条消息，

ERROR: Command errored out with exit status 1: 'C:\Program Files\Python39\python.exe' -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\Castel\\AppData\\Local\\Temp\\pip-install-olb4pmo_\\pyexecjs_d890f61241754a86b05696cc575c0ff6\\setup.py'"'"'; __file__='"'"'C:\\Users\\Castel\\AppData\\Local\\Temp\\pip-install-olb4pmo_\\pyexecjs_d890f61241754a86b05696cc575c0ff6\\setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record 'C:\Users\Castel\AppData\Local\Temp\pip-record-hnlq7en9\install-record.txt' --single-version-externally-managed --user --prefix= --compile --install-headers 'C:\Users\Castel\AppData\Roaming\Python\Python310\Include\PyExecJS' Check the logs for full command output.

请在此处阅读完整的错误消息：

https://pastebin.com/BeSV9Fyz

Answer 1

我通过安装这个解决了这个问题：

py -m pip install --upgrade pip setuptools wheel

或

python3 -m pip install --upgrade pip setuptools wheel