更新后在Ubuntu 14.04 LTS上的pip损坏

Question

更新后pip我现在看到以下错误日志。我该如何解决它？我正在使用Python 2.7。

Traceback (most recent call last): 
File "/usr/local/bin/pip", line 5, in <module> 
from pkg_resources import load_entry_point 
File "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 3013, in <module> 
@_call_aside 
File "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2999, in _call_aside 
f(*args, **kwargs) 
File "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 3026, in _initialize_master_working_set 
working_set = WorkingSet._build_master() 
File "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 657, in _build_master 
return cls._build_from_requirements(__requires__) 
File "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 670, in _build_from_requirements 
dists = ws.resolve(reqs, Environment()) 
File "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 849, in resolve 
raise DistributionNotFound(req, requirers) 
pkg_resources.DistributionNotFound: The 'pip==7.1.0' distribution was not found and is required by the application 

Answer 1

我已通过以下过程解决它。

1： 下载pip 7.1.0 version并解压到以下路径

usr/local/lib/python2.7/dist-packages/pkg_resources 

第二： 使用以下命令

sudo chmod -R 777 python2.7/ 

那么如果我用给可执行权限蟒蛇2.7目录pip -V命令来检查点的版本，它显示我的版本7.1.0没有任何错误日志。