Also started seeing this on vanilla 16.04.2 (don't recall seeing it earlier):
Output from Anacron job 'cron.weekly' (running as root): /etc/cron.weekly/apt-xapian-index: Exception ignored in: <bound method ServerProgress.__del__ of <axi.indexer.ServerProgress object at 0x7fdff775e6d8>> Traceback (most recent call last): File "/usr/lib/python3/dist-packages/axi/indexer.py", line 306, in __del __ AttributeError: 'NoneType' object has no attribute 'unlink' -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1526450 Title: /usr/sbin/update-apt-xapian-index:ImportError:/usr/sbin/update-apt- xapian- index@104:setupIndexing:__init__:__init__:load_source:_load:_load_unlocked:exec_module:_call_with_frames_removed:/usr/share /apt-xapian-index/plugins/software_center.py@13:/usr/share/software- center/softwarecenter/db/update.py@33:/usr/share/software- center/softwarecenter/backend/scagent.py@26 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-center/+bug/1526450/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs