注：我是安装fabric时出的这个错误

windows7，64位操作系统，安装的32位的Python，在安装fabric时报Microsoft Visual C++ 9.0 is required Unable to find vcvarsall.bat，解决办法是

安装 Micorsoft Visual C++ Compiler for Python 2.7，安装完再执行pip install fabric就OK了

Windows下pip安装包报错：Microsoft Visual C++ 9.0 is required Unable to find vcvarsall.bat