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我的操作系统是 VirtualBox 中的 ubuntu 15.10，我发现我无法升级我的操作系统，也无法打开软件中心。我试图用谷歌搜索这个问题，但是当我找到一些可以尝试的方法时。我也会发现更多新问题。并不能解决这些问题。

我尝试详细描述我所做的事情以及计算机的状况（错误消息）。谢谢！

$ 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“没有名为 gi.repository 的模块”，发现我需要安装 PyGObject ，但是..

$ sudo pip 安装 PyGObject

Collecting PyGObject
  Downloading pygobject-2.28.3.tar.bz2 (889kB)
    100% |████████████████████████████████| 890kB 917kB/s 
    Complete output from command python setup.py egg_info:
    ********************************************************************
    * Building PyGObject using distutils is only supported on windows. *
    * To build PyGObject in a supported way, read the INSTALL file.    *
    ********************************************************************

    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-gaC6QU/PyGObject/

　　

　　

$ which python (我可以/我应该修改它/usr/bin/python吗？)

/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.__spec__）”

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

$ python -c“导入gi；打印（gi.__dict__）”

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

　　　　　　　　　　　　　　

　　

　　

  • 关于的问题yum

    　　

$ 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

$哪里是蟒蛇

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

　　
而且我尝试$ sudo vi /usr/bin/yum并修改了#!/usr/bin/python每个路径$ whereis python，并使用不同版本的Python来做 >> import yum，但yum仍然不起作用

　　

　　

  • 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

（我通常用$ pyenv global 2.7.11）

$点子--版本

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

$点列表

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]

　　

我认为所有问题的根源在于我安装了许多不同版本的 Python，而我没有使用好方法来安装/升级它们....

这是我第一次在这里用英语提问。我希望你能明白我的意思和我的问题是什么。非常感谢，对不起我的英语，我整天都在努力解决它……如果问题能解决，我将不胜感激！

如果有什么需要测试或解释的，请告诉我，谢谢！

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