我试过四处搜索，但找不到好的修复程序或其他任何有此特定错误的人。
它发生在我尝试使用apt-get install screen.
错误：
Setting up python3.6-minimal (3.6.1-1~14.04.york0) ...
Traceback (most recent call last):
File "/usr/lib/python3.6/py_compile.py", line 6, in <module>
import importlib._bootstrap_external
File "/usr/lib/python3.6/importlib/__init__.py", line 57, in <module>
import types
File "/usr/lib/python3.6/types.py", line 171, in <module>
import functools as _functools
File "/usr/lib/python3.6/functools.py", line 23, in <module>
from weakref import WeakKeyDictionary
File "/usr/lib/python3.6/weakref.py", line 12, in <module>
from _weakref import (
ImportError: cannot import name '_remove_dead_weakref'
dpkg: error processing package python3.6-minimal (--configure):
subprocess installed post-installation script returned error …