Public bug reported: calibre crashes in ubuntu 20.04.01:
$ apt policy calibre calibre: Installed: 4.99.4+dfsg+really4.12.0-1build1 Candidate: 4.99.4+dfsg+really4.12.0-1build1 Version table: *** 4.99.4+dfsg+really4.12.0-1build1 500 500 http://archive.ubuntu.com/ubuntu focal/universe amd64 Packages 100 /var/lib/dpkg/status $ calibre Traceback (most recent call last): File "/usr/bin/calibre", line 20, in <module> sys.exit(calibre()) File "/usr/lib/calibre/calibre/gui_launch.py", line 73, in calibre main(args) File "/usr/lib/calibre/calibre/gui2/main.py", line 543, in main listener = create_listener() File "/usr/lib/calibre/calibre/gui2/main.py", line 514, in create_listener return Listener(address=gui_socket_address()) File "/usr/lib/calibre/calibre/utils/ipc/server.py", line 110, in __init__ self._listener._unlink.cancel() AttributeError: 'NoneType' object has no attribute 'cancel' the patch at https://github.com/kovidgoyal/calibre/commit/7b6416ac6522fc40f24f6baf3ca552b17a8b91d6 solves the problem. best regards, g1 ** Affects: calibre (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1910573 Title: calibre does not start in focal To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/calibre/+bug/1910573/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs