关于 pip安装的可能错误的排除

转载地址：http://www.cnblogs.com/botoo/p/7410316.html 今天安装wheel和lxml总是报错（下为错误信息） C:\Python27\Scripts>pip install wheel Collecting wheel   Retrying (Retry(total=4, connect=None, read=None, redirect=None)) a

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