I then tried to search fro Qt5 but it looks like it could be a deeper problem, anyone who could help me out here?

RuntimeError: Failed to load the progress_indicator C extension, with error: /home/daniel/.local/lib/python3.8/site-packages/PyQt5/Qt/lib/libQt5Core.so.5: version `Qt_5.15' not found (required by /usr/lib/calibre/calibre/plugins/progress_indicator.so)

Raise RuntimeError('Failed to load the progress_indicator C extension, with error: '.format(pi_err)) Opening calibre from the terminal gives me this error: calibreįile '/usr/lib/calibre/calibre/gui_launch.py', line 73, in calibreįile '/usr/lib/calibre/calibre/gui2/main.py', line 529, in mainįile '/usr/lib/calibre/calibre/gui2/main.py', line 114, in init_qtĪpp = Application(args, override_program_name=override, windows_app_uid=MAIN_APP_UID)įile '/usr/lib/calibre/calibre/gui2/_init_.py', line 885, in _init_ However, something seems to be very broken! I updated my system yesterday where calibre was upgraded to 5.0.1, I can see it changed python version from 2.x -> 3.x.

Calibre download 3.8