无法打开软件中心（没有名为的模块地理信息库)+yum（没有名为yum的模块），（ubuntu）

Question

我的操作系统是VirtualBox中的Ubuntu15.10，我发现我无法升级我的操作系统，也无法打开软件中心。 我试过用谷歌搜索这个问题，但当我找到一些方法时我可以试试。。我也会发现更多的新问题。不能解决这些问题。在

我试着详细描述我所做的事情和电脑的状况（错误信息）。。谢谢！在

$软件中心

Traceback (most recent call last):
  File "/usr/bin/software-center", line 25, in <module>
    from gi.repository import Gtk, GObject
ImportError: No module named gi.repository

我谷歌“没有模块命名地理信息库“发现我需要安装PyGObject，但是。。在

$sudo pip install PyGObject

^{pr2}$

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• 我跟着[SOLVED]No module named gi.repository. How do I get it?

$哪个python（我能/应该把它修改成/usr/bin/python？）在

/home/thisray/.pyenv/shims/python

$pacman-Qikk python gobject python

XIO:  fatal IO error 22 (Invalid argument) on X server ":0"
      after 4155 requests (4155 known processed) with 0 events remaining.

$python-c“导入gi；打印（gi.\uu spec\uu）”

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

$python-c“导入gi；打印（gi.\uu dict\uuu）”

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

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• 关于yum的问题

$sudo apt get install yum

yum is the newest version  ( in Taiwanese )

$yum——版本

There was a problem importing one of the Python modules
required to run yum. The error leading to this problem was:

   No module named yum

Please install a package which provides this module, or
verify that the module is installed correctly.

It's possible that the above module doesn't match the
current version of Python, which is:
2.7.11 (default, Apr 25 2016, 16:08:52) 
[GCC 5.2.1 20151010]

If you cannot solve this problem yourself, please go to 
the yum faq at:
  http://yum.baseurl.org/wiki/Faq

$whereis python

python: /usr/bin/python2.7-config /usr/bin/python3.4m 
/usr/bin/python2.7-dbg /usr/bin/python3.4 
/usr/bin/python2.7 /usr/bin/python3.5m 
/usr/bin/python2.7-dbg-config /usr/bin/python 
/usr/bin/python3.5 /usr/lib/python3.4 
/usr/lib/python2.7 /usr/lib/python3.5 
/etc/python3.4 /etc/python2.7 /etc/python /etc/python3.5 
/usr/local/bin/python2.7-config /usr/local/bin/python2.7 
/usr/local/lib/python3.4 /usr/local/lib/python2.7 
/usr/local/lib/python3.5 /usr/include/python3.4m 
/usr/include/python2.7 /usr/include/python3.5m 
/usr/include/python2.7_d /usr/share/python 
/home/thisray/.pyenv/shims/python3.5m-config 
/home/thisray/.pyenv/shims/python2.7-config 
/home/thisray/.pyenv/shims/python2.7 
/home/thisray/.pyenv/shims/python3.5-config 
/home/thisray/.pyenv/shims/python3.5m 
/home/thisray/.pyenv/shims/python 
/home/thisray/.pyenv/shims/python3.5 
/home/thisray/bin/python2.7 
/home/thisray/bin/python /usr/share/man/man1/python.1.gz

我尝试了$ sudo vi /usr/bin/yum并将#!/usr/bin/python修改为$ whereis python中的每个路径，并使用不同版本的Python来完成>> import yum，但是{}仍然不起作用

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• 我已经安装了pyenv，并尝试了三个版本来测试yum

$pyenv版本

* system (set by /home/thisray/.pyenv/version)
  2.7.11
  3.5.1

（我通常使用$ pyenv global 2.7.11）

$pip——版本

pip 8.1.1 from /home/thisray/lib/python2.7/site-packages (python 2.7)

$pip列表

pip (8.1.1)
setuptools (20.10.1)
wheel (0.29.0)

$/usr/bin/python2.7-dbg

Python 2.7.10 (default, Oct 14 2015, 16:09:02) 
[GCC 5.2.1 20151010] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import yum
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python2.7/dist-packages/yum/__init__.py", line 23, in <module>
    import rpm
  File "/usr/lib/python2.7/dist-packages/rpm/__init__.py", line 9, in <module>
    from rpm._rpm import *
ImportError: /usr/lib/python2.7/dist-packages/rpm/_rpm.x86_64-linux-gnu.so: undefined symbol: Py_InitModule4_64
[52069 refs]

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我认为所有问题的根源都是因为我安装了很多不同版本的Python，而我没有使用好的方法来安装/升级它们。。。。在

这是我第一次在这里用英语提问。我希望你能理解我的意思和我的问题所在。非常感谢和抱歉我的英语，我已经尝试解决了一整天。。。如果问题能解决，我将非常感激！在

如果有什么需要测试或解释的，请告诉我，谢谢！！在