執行 pip install ****** 時，報異常 ：
File "D:\Program Files (x86)\python27\lib\distutils\msvc9compiler.py", line 299, in query_vcvarsall raise ValueError(str(list(result.keys()))) ValueError: [u'path']
----------------------------------------Command ""D:\Program Files (x86)\python27\python.exe" -c "import setuptools,
tokenize;__file__='c:\\users\\meng.li\\appdata\\local\\temp\\pip-build-g9fu3q\\
storm\\setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().r
eplace('\r\n', '\n'), __file__, 'exec'))" install --record c:\users\meng.li\appd
ata\local\temp\pip-hqg7m5-record\install-record.txt --single-version-externally-
managed --compile" failed with error code 1 in c:\users\meng.li\appdata\local\te
mp\pip-build-g9fu3q\storm
解決方法：
dowload: VCForPython27（http://www.microsoft.com/en-us/download/details.aspx?id=44266）
安裝解決。