Bug#923938: E: namespace:121: cannot remove /usr/lib/python2.7/dist-packages/backports/__init__.py

[積丹尼 Dan Jacobson]

Package: python-backports.functools-lru-cache
Version: 1.5-1

Removing python-backports.functools-lru-cache (1.5-1) ...
E: namespace:121: cannot remove 
/usr/lib/python2.7/dist-packages/backports/__init__.py