[Edubuntu-bugs] [Bug 1899296] Re: AttributeError when launching calibre

*** This bug is a duplicate of bug 1898904 *** https://bugs.launchpad.net/bugs/1898904 ** This bug has been marked a duplicate of bug 1898904 Calibre crashes at startup with "/usr/bin/calibre, line 20" error -- You received this bug notification because you are a member of Edubuntu Bugsqu

[Edubuntu-bugs] [Bug 1899259] Re: Freshly installed calibre crashes

*** This bug is a duplicate of bug 1898904 *** https://bugs.launchpad.net/bugs/1898904 ** This bug has been marked a duplicate of bug 1898904 Calibre crashes at startup with "/usr/bin/calibre, line 20" error -- You received this bug notification because you are a member of Edubuntu Bugsqu

[Edubuntu-bugs] [Bug 1894061] Re: calibre crashes on startup with AttributeError: 'NoneType' object has no attribute 'cancel'

*** This bug is a duplicate of bug 1898904 *** https://bugs.launchpad.net/bugs/1898904 This was technically reported first but the other ticket has more progress already so I'm consolidating the duplicate reports there. ** This bug has been marked a duplicate of bug 1898904 Calibre crashes

[Edubuntu-bugs] [Bug 1898904] Re: Calibre crashes at startup with AttributeError: 'NoneType' object has no attribute 'cancel'

Per https://bugzilla.redhat.com/show_bug.cgi?id=1840780#c2 this happens on python >= 3.8.3. As Focal ships 3.8.5 we get this bug. Juanjo linked and attached the upstream patch already, which is included in Calibre >= 4.15. Focal ships Calibre version 4.99.4 which I assume is some pre- release versi

[Edubuntu-bugs] [Bug 1898904] Re: Calibre crashes at startup with AttributeError: 'NoneType' object has no attribute 'cancel'

As a work-around for those affected, I can confirm that manually applying the upstream patch to `/usr/lib/calibre/calibre/utils/ipc/server.py` does allow Calibre to start up successfully. -- You received this bug notification because you are a member of Edubuntu Bugsquad, which is subscribed to c

[Edubuntu-bugs] [Bug 1884525] Re: Cannot start calibre

*** This bug is a duplicate of bug 1898904 *** https://bugs.launchpad.net/bugs/1898904 ** This bug has been marked a duplicate of bug 1898904 Calibre crashes at startup with AttributeError: 'NoneType' object has no attribute 'cancel' -- You received this bug notification because you are

[Edubuntu-bugs] [Bug 1898904] Re: Calibre crashes at startup with AttributeError: 'NoneType' object has no attribute 'cancel'

Ahhh, sorry bug in instructions above in step 3 should be: chmod 700 patch.sh -- You received this bug notification because you are a member of Edubuntu Bugsquad, which is subscribed to calibre in Ubuntu. https://bugs.launchpad.net/bugs/1898904 Title: Calibre crashes at startup with AttributeE

[Edubuntu-bugs] [Bug 1898904] Re: Calibre crashes at startup with AttributeError: 'NoneType' object has no attribute 'cancel'

Evans, great thanks for info how to fix, it works fine. I have written bash file for the users that are not so technical. Instructions: 1. Download file patch.sh from my post. 2. Open terminal, default keyboard shortcut is: CTRL+ALT+T 3. Set execution permissions: chown 700 patch.sh 4. Execute co

[Edubuntu-bugs] [Bug 1898904] Re: Calibre crashes at startup with AttributeError: 'NoneType' object has no attribute 'cancel'

I have uploaded a patched version of calibre to a ppa: https://launchpad.net/~juanjo-benages/+archive/ubuntu/fixes It works for me. It should work as an interim until there is an updated package in the official Ubuntu repository. -- You received this bug notification because you are a member of