Comment 11 for bug 826835

This is what I got from calibre:

heiner@heiner-desktop:~$ calibre
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 372, in main
    app, opts, args, actions = init_qt(args)
  File "/usr/lib/calibre/calibre/gui2/main.py", line 51, 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 23, 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 PyQt4.QtCore module is version 1 but the progress_indicator module requires version -1
----------------------------------------------------------------------- 07:33:01
heiner@heiner-desktop:~$ type calibre
calibre is hashed (/usr/bin/calibre)