python3.4 pip必须升级python3.5_在ubuntu上将python3.4升级到python3.6会破坏pip

我目前有python3.4后，我正试图在我的机器上安装python3.6。但是，安装后试图在python3.6下运行pip给我错误：

Traceback (most recent call last):

File "pip3", line 7, in

from pip import main

File "/usr/lib/python3/dist-packages/pip/__init__.py", line 59, in

from pip.log import logger

File "/usr/lib/python3/dist-packages/pip/log.py", line 9, in

import colorama, pkg_resources

File "/usr/lib/python3/dist-packages/pkg_resources.py", line 1520, in

register_loader_type(importlib_bootstrap.SourceFileLoader, DefaultProvider)

AttributeError: module 'importlib._bootstrap' has no attribute 'SourceFileLoader'

Error in sys.excepthook:

Traceback (most recent call last):

File "/usr/lib/python3/dist-packages/apport_python_hook.py", line 63, in apport_excepthook

from apport.fileutils import likely_packaged, get_recent_crashes

File "/usr/lib/python3/dist-packages/apport/__init__.py", line 5, in

from apport.report import Report

File "/usr/lib/python3/dist-packages/apport/report.py", line 30, in

import apport.fileutils

File "/usr/lib/python3/dist-packages/apport/fileutils.py", line 23, in

from apport.packaging_impl import impl as packaging

File "/usr/lib/python3/dist-packages/apport/packaging_impl.py", line 20, in

import apt

File "/usr/lib/python3/dist-packages/apt/__init__.py", line 23, in

import apt_pkg

ModuleNotFoundError: No module named 'apt_pkg'

Original exception was:

Traceback (most recent call last):

File "pip3", line 7, in

from pip import main

File "/usr/lib/python3/dist-packages/pip/__init__.py", line 59, in

from pip.log import logger

File "/usr/lib/python3/dist-packages/pip/log.py", line 9, in

import colorama, pkg_resources

File "/usr/lib/python3/dist-packages/pkg_resources.py", line 1520, in

register_loader_type(importlib_bootstrap.SourceFileLoader, DefaultProvider)

AttributeError: module 'importlib._bootstrap' has no attribute 'SourceFileLoader'

互联网上有几条关于遇到错误的评论，但是，它们都没有包含任何实际的解决方案建议。有谁知道如何解决这个问题？

我设法解决了它，没有从源头安装任何东西。

这是我做的：

>首先，为Python3.x安装pip(出于一些奇怪的原因，我没有它…)

$ sudo apt-get install python3-pip

这是旧版本……

$ pip3 --version

pip 1.5.4 from /usr/lib/python3/dist-packages (python 3.4)

> …所以升级到最新版本

$ sudo pip3 install --upgrade pip

现在好多了

$ sudo pip3 --version

pip 9.0.1 from /usr/local/lib/python3.4/dist-packages (python 3.4)

>然后升级Virtualenvvwrapper

$ sudo pip3 install --upgrade Virtualenvwrapper

# ...

Successfully installed pbr-3.0.1 six-1.10.0 stevedore-1.22.0 Virtualenv-15.1.0 Virtualenv-clone-0.2.6 Virtualenvwrapper-4.7.2

>现在创建一个新的Virtualenv工作：

$ mkVirtualenv -p `which python3.6`

点子也有效：

$ pip install django

# ...

Successfully installed django-1.11.2 pytz-2017.2

$ pip freeze

Django==1.11.2

pytz==2017.2

注意：现在我意识到它比你要求的要多一点，但是(不知道你到底在哪里失败了)我猜你应该在第2步之后做好。

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