顺便说一句,我使用的是 Windows,所以我必须安装 Visual Studio 吗?
(py) D:\python>pip install simplejson
Downloading/unpacking simplejson
Downloading simplejson-2.6.2.tar.gz (53kB): 53kB downloaded
Running setup.py egg_info for package simplejson
Installing collected packages: simplejson
Running setup.py install for simplejson
building 'simplejson._speedups' extension
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警告:无法编译 C 扩展,未启用加速。
Failure information, if any, is above.
I'm retrying the build without the C extension now.
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WARNING: The C extension could not be compiled, speedups are not enabled.
Plain-Python installation succeeded.
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Successfully installed simplejson
Cleaning up...