我尝试安装cloudstorage，使用pip install cloudstorage并使用带有python 3.6的Windows 7 VM环境作为基本版本我无法通过以下错误消息：
creating build\temp.win-amd64-3.6\Release\build
creating build\temp.win-amd64-3.6\Release\build\temp.win-amd64-3.6
creating build\temp.win-amd64-3.6\Release\build\temp.win-amd64-3.6\Release
C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC
\14.14.26428\bin\HostX86\x64\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -
Ic:\programdata\anaconda3\include -Ic:\programdata\anaconda3\include "-
IC:\Program Files (x86)\Microsoft Visual
Studio\2017\BuildTools\VC\Tools\MSVC\14.14.26428\include" "-IC:\Program
Files (x86)\Windows Kits\10\include\10.0.17134.0\ucrt" "-IC:\Program Files
(x86)\Windows Kits\10\include\10.0.17134.0\shared" "-IC:\Program Files
(x86)\Windows Kits\10\include\10.0.17134.0\um" "-IC:\Program Files x86)\Wind
ows Kits\10\include\10.0.17134.0\winrt" "-IC:\Program Files (x86)\Windows
Kits\10\include\10.0.17134.0\cppwinrt" /Tcbuild\temp.win-amd64-
3.6\Release\_lib.c /Fobuild\temp.win-amd64-3.6\Release\build\temp.win-amd64-
3.6\Release\_lib.obj
_lib.c
build\temp.win-amd64-3.6\Release\_lib.c(504): fatal error C1083: Cannot open
include file: 'sys/xattr.h': No such file or directory
error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\Buil
dTools\\VC\\Tools\\MSVC\\14.14.26428\\bin\\HostX86\\x64\\cl.exe' failed with
exit status 2
我有更新setuptools（39.2.0）和Visual Studio工具构建器，但仍然无法解决此错误。