The latest downloaded version from the developer does not have this bug but the Ubuntu distro package does. I tried reinstalling the package and had the same results. Traceback from attempting to open Calibre from a terminal:
Traceback (most recent call last): File "/usr/bin/calibre", line 19, in <module> sys.exit(main()) File "/usr/lib/calibre/calibre/gui2/main.py", line 321, in main app, opts, args, actions = init_qt(args) File "/usr/lib/calibre/calibre/gui2/main.py", line 40, in init_qt from calibre.gui2.ui import Main File "/usr/lib/calibre/calibre/gui2/ui.py", line 31, in <module> from calibre.gui2.widgets import ProgressIndicator File "/usr/lib/calibre/calibre/gui2/widgets.py", line 26, in <module> from calibre.gui2.progress_indicator import ProgressIndicator as _ProgressIndicator File "/usr/lib/calibre/calibre/gui2/progress_indicator/__init__.py", line 15, in <module> pi_error) RuntimeError: Failed to load the Progress Indicator plugin: the sip module implements API v8.0 but the progress_indicator module requires API v7.1 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/691608 Title: calibre does not start -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs