Python PIP安装会引发TypeError:-=:'Retry'和'int'不受支持的操作数类型
使用pip install了显然与蟒蛇2.7.11+我的Ubuntu 16.04系统中的任何模块抛出这个错误: TypeError: unsupported operand type(s) for -=: 'Retry' and 'int' 点子有什么问题?如有必要,如何重新安装? 更新:下面是完整的追溯 sunny@sunny:~$ pip install requests Collecting requests Exception: Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 209, in main status = self.run(options, args) File "/usr/lib/python2.7/dist-packages/pip/commands/install.py", line 328, in run wb.build(autobuilding=True) File "/usr/lib/python2.7/dist-packages/pip/wheel.py", line 748, in build self.requirement_set.prepare_files(self.finder) …