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如何更改python使用的模块?

[英]how change the module that python uses?

I'm installing caffe2 in a remote server, and I used pip to install a module called Numpy. 我正在将caffe2安装在远程服务器上,并使用pip安装了一个名为Numpy的模块。

The python(2.7.6) is in : python(2.7.6)位于:

/usr/bin/python

The pip is in : 点在:

/usr/local/bin/pip

when I use 'pip show numpy': 当我使用'pip show numpy'时:

Name: numpy
Version: 1.13.0
Location: /usr/local/lib/python2.7/dist-packages

but when I try to import it in python: 但是当我尝试将其导入python中时:

>>> import numpy as np
>>> n.__version__
'1.8.2'
>>>>>> n.get_include()
'/usr/lib/python2.7/dist-packages/numpy/core/include'

so I tried export PYTHONPATH in relative rc files: 所以我尝试在相对的rc文件中导出PYTHONPATH:

export PYTHONPATH="/usr/local/lib/python2.7/dist-packages":$PYTHONPATH

but this doesn't help. 但这无济于事。

What's the next step should I take? 我应该下一步做什么?

避免所有这些混乱的方法是始终使用virtualenv,并在那里安装正确版本的numpy。

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