python安装包提示Requirement already satisfied

python安装cnocr提示Requirement already satisfied

错误信息如下：

Requirement already satisfied: pyreadline3 in c:\python310\lib\site-packages (from humanfriendly>=9.1->coloredlogs->onnxruntime->cnocr) (3.4.1)
Installing collected packages: Polygon3, mpmath, flatbuffers, unidecode, tqdm, torch, sympy, PyYAML, python-dateutil, protobuf, pillow, numpy, multidict
, kiwisolver, humanfriendly, fsspec, frozenlist, fonttools, cycler, click, async-timeout, yarl, torchvision, torchmetrics, tensorboardX, shapely, scipy,opencv-python, onnx, lightning-utilities, contourpy, coloredlogs, aiosignal, onnxruntime, matplotlib, aiohttp, pytorch-lightning, cnstd, cnocrDEPRECATION: Polygon3 is being installed using the legacy 'setup.py install' method, because it does not have a 'pyproject.toml' and the 'wheel' packa
ge is not installed. pip 23.1 will enforce this behaviour change. A possible replacement is to enable the '--use-pep517' option. Discussion can be foundat https://github.com/pypa/pip/issues/8559Running setup.py install for Polygon3 ... errorerror: subprocess-exited-with-error× Running setup.py install for Polygon3 did not run successfully.│ exit code: 1╰─> [16 lines of output]NumPy extension not found - disabling support for it!running installC:\Python310\lib\site-packages\setuptools\command\install.py:34: SetuptoolsDeprecationWarning: setup.py install is deprecated. Use build and pip a
nd other standards-based tools.warnings.warn(running buildrunning build_pycreating buildcreating build\lib.win-amd64-cpython-310creating build\lib.win-amd64-cpython-310\Polygonnote: This error originates from a subprocess, and is likely not a problem with pip.
error: legacy-install-failure× Encountered error while trying to install package.
╰─> Polygon3note: This is an issue with the package mentioned above, not pip.
hint: See above for output from the failure.

执行该命令：pip install cnocr --use-pep517

命令执行后出现以下问题：

Requirement already satisfied: pyreadline3 in c:\python310\lib\site-packages (from humanfriendly>=9.1->coloredlogs->onnxruntime->cnocr) (3.4.1)
Building wheels for collected packages: Polygon3Building wheel for Polygon3 (pyproject.toml) ... errorerror: subprocess-exited-with-error× Building wheel for Polygon3 (pyproject.toml) did not run successfully.│ exit code: 1╰─> [14 lines of output]NumPy extension not found - disabling support for it!running bdist_wheelrunning buildrunning build_pycreating buildcreating build\lib.win-amd64-cpython-310creating build\lib.win-amd64-cpython-310\Polygoncopying Polygon\IO.py -> build\lib.win-amd64-cpython-310\Polygoncopying Polygon\Shapes.py -> build\lib.win-amd64-cpython-310\Polygoncopying Polygon\Utils.py -> build\lib.win-amd64-cpython-310\Polygoncopying Polygon\__init__.py -> build\lib.win-amd64-cpython-310\Polygonrunning build_extbuilding 'Polygon.cPolygon' extensionerror: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools": https://visualstudio.microsoft.com/visual-cpp-bu
ild-tools/[end of output]note: This error originates from a subprocess, and is likely not a problem with pip.ERROR: Failed building wheel for Polygon3
Failed to build Polygon3
ERROR: Could not build wheels for Polygon3, which is required to install pyproject.toml-based projects

以上问题未解决，最后我把python3卸载重装（之前是3.10版本，现降低版本后重新安装未出现问题）
如有以上问题解决办法，麻烦给我留言地址，感谢

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