Lutris 坏了，进入兔子洞一周后，pip 拒绝运行

Question

我的 lutris 安装坏了，在经历了一周的错误之后，我被停止了。

lutris 吐出这个错误信息

Traceback (most recent call last):
  File "/usr/bin/lutris", line 34, in <module>
    from lutris.gui.application import Application
  File "/usr/lib/python3/dist-packages/lutris/gui/application.py", line 34, in <module>
    from lutris.game import Game
  File "/usr/lib/python3/dist-packages/lutris/game.py", line 11, in <module>
    from lutris import runtime
  File "/usr/lib/python3/dist-packages/lutris/runtime.py", line 7, in <module>
    from lutris.util import http, jobs, system
  File "/usr/lib/python3/dist-packages/lutris/util/http.py", line 3, in <module>
    import urllib.request
ModuleNotFoundError: No module named 'urllib'
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 <module>
    from apport.report import Report
  File "/usr/lib/python3/dist-packages/apport/report.py", line 20, in <module>
    from urllib.error import URLError
ModuleNotFoundError: No module named 'urllib'

Original exception was:
Traceback (most recent call last):
  File "/usr/bin/lutris", line 34, in <module>
    from lutris.gui.application import Application
  File "/usr/lib/python3/dist-packages/lutris/gui/application.py", line 34, in <module>
    from lutris.game import Game
  File "/usr/lib/python3/dist-packages/lutris/game.py", line 11, in <module>
    from lutris import runtime
  File "/usr/lib/python3/dist-packages/lutris/runtime.py", line 7, in <module>
    from lutris.util import http, jobs, system
  File "/usr/lib/python3/dist-packages/lutris/util/http.py", line 3, in <module>
    import urllib.request
ModuleNotFoundError: No module named 'urllib'

于是我求助于 pip，结果发生了这种情况。无论我输入什么，pip 总是会弹出这个错误消息，我已经尝试解决这个问题两天了，但毫无头绪。

Traceback (most recent call last):
  File "/usr/bin/pip", line 9, in <module>
    from pip._internal import main
  File "/usr/lib/python2.7/dist-packages/pip/_internal/__init__.py", line 19, in <module>
    from pip._vendor.urllib3.exceptions import DependencyWarning
ImportError: No module named urllib3.exceptions

我不知道该怎么办，也不知道该问谁，所以我就把它放在这里。我使用的是 19.10，使用默认的 DM、DE、WM 和内核。