Python模块没有安装

我有一些运行得很好的代码，并且在一天当中，我破坏了一些东西，现在我无法安装任何python模块。具体来说，我需要numpy，matplotlib和枕头。我无法安装其中的任何一个。Python模块没有安装

但奇怪的是，他们似乎都安装就好了：

$ sudo pip install numpy 
Collecting numpy 
    Downloading numpy-1.11.0-cp27-cp27mu-manylinux1_x86_64.whl (15.3MB) 
    100% |████████████████████████████████| 15.3MB 94kB/s 
Installing collected packages: numpy 
Successfully installed numpy-1.11.0

或当我尝试：

$ sudo apt-get install python-numpy 
Reading package lists... Done 
Building dependency tree  
Reading state information... Done 
Suggested packages: 
    python-nose python-numpy-dbg python-numpy-doc 
The following NEW packages will be installed: 
    python-numpy 
0 upgraded, 1 newly installed, 0 to remove and 20 not upgraded. 
Need to get 0 B/1,763 kB of archives. 
After this operation, 9,598 kB of additional disk space will be used. 
Selecting previously unselected package python-numpy. 
(Reading database ... 221259 files and directories currently installed.) 
Preparing to unpack .../python-numpy_1%3a1.11.0-1ubuntu1_amd64.deb ... 
Unpacking python-numpy (1:1.11.0-1ubuntu1) ... 
Processing triggers for man-db (2.7.5-1) ... 
Setting up python-numpy (1:1.11.0-1ubuntu1) ...

我使用python 2.7，我在Ubuntu 16.04。

$ python 
Python 2.7.5 (default, May 12 2016, 13:11:58) 
[GCC 5.3.1 20160413] on linux2 
Type "help", "copyright", "credits" or "license" for more information. 
>>> import numpy 
Traceback (most recent call last): 
    File "<stdin>", line 1, in <module> 
ImportError: No module named numpy 
>>>

它为我尝试安装的任何模块执行此操作。任何帮助将不胜感激。

来源

2016-05-12 Mckay Smalley

'哪个python'和'sudo pip -V'的输出是什么？ –

pip 8.1.2来自/usr/local/lib/python2.7/dist-packages（python 2.7） –

难道你有多个Python安装并且只安装numpy到其中的一个？ – roadrunner66

这是默认python和默认pip不匹配的结果。为了确保软件包安装到正确的位置，用途：

python -m pip install $PACKAGE

这导致运行分配到所需python，而不是在您的路径找到的第一个pip。

来源

2016-05-16 19:57:00 jonafato

Python模块没有安装

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