TypeError: can't compare offset-naive and offset-aware datetimes

[Stephen Thompson]

Sorting columns by clicking on them and now I receive the following:

calibre 3.18 embedded-python: True is64bit: True
Linux-4.13.0-37-generic-x86_64-with-debian-stretch-sid Linux ('64bit', 'ELF')
('Linux', '4.13.0-37-generic', '#42-Ubuntu SMP Wed Mar 7 14:13:23 UTC 2018')
Python 2.7.12
Linux: ('debian', 'stretch/sid', '')
Interface language: en_GB
Successfully initialized third party plugins: Reading List (1, 6, 6) && Barnes & Noble (1, 2, 14) && Kobo Utilities (2, 6, 0) && Amazon.com Multiple Countries (1, 0, 0) && Goodreads Sync (1, 11, 0) && Manage Series (1, 2, 8) && Kobo Books (1, 3, 0) && Goodreads (1, 1, 13) && KoboTouchExtended (3, 0, 2) && FanFicFare (2, 23, 0)
Traceback (most recent call last):
  File "site-packages/calibre/gui2/library/models.py", line 481, in sort
  File "site-packages/calibre/gui2/library/models.py", line 489, in _sort
  File "site-packages/calibre/db/view.py", line 267, in incremental_sort
  File "site-packages/calibre/db/view.py", line 247, in _do_sort
  File "site-packages/calibre/db/cache.py", line 63, in call_func_with_lock
  File "site-packages/calibre/db/cache.py", line 952, in multisort
TypeError: can't compare offset-naive and offset-aware datetimes

If I shutdown calibre and restart all is ok.

[Kovid Goyal (kovid)]

Attach the metadata.db file from your calibre library folder.

 status incomplete

[Launchpad Janitor (janitor)]

[Expired for calibre because there has been no activity for 60 days.]