很多包的导入错误

import error for a lot of packages

我突然无法导入 numpy 或 pip 或许多其他包! 所有 return 导入错误。

which python
/usr/bin/python

which pip
/home/user/anaconda2/bin/pip

python -V
Python 2.7.11+

pip -V
pip 8.0.2+gx2 from /home/user/anaconda2/lib/python2.7/site-packages   (python 2.7)

conda search numpy 
numpy 1.10.4

我该如何解决这个问题?我可以尝试什么?您还需要我提供哪些其他信息?

例如:

import pip
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: No module named pip

import numpy
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: No module named numpy


print sys.path
['', '/usr/lib/python2.7', '/usr/lib/python2.7/plat-x86_64-linux-gnu', '/usr/lib/python2.7/lib-tk', '/usr/lib/python2.7/lib-old', '/usr/lib/python2.7/lib-dynload', '/usr/local/lib/python2.7/dist-packages', '/usr/lib/python2.7/dist-packages']

我以某种方式重现了错误,如果您在 /home/user/anaconda2/bin 中使用 python 而不是 /usr/bin,应该没问题