wont run on natty - ubuntu 11.04

Binary package hint: calibre

ps@T61:~$ 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 320, 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.cover_flow import CoverFlowMixin
  File "/usr/lib/calibre/calibre/gui2/cover_flow.py", line 22, in <module>
    class EmptyImageList(pictureflow.FlowImages):
AttributeError: 'module' object has no attribute 'FlowImages'
Error in sys.excepthook:
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/apport_python_hook.py", line 90, in apport_excepthook
    if pr.check_ignored():
  File "/usr/lib/python2.7/dist-packages/apport/report.py", line 752, in check_ignored
    dom = self._get_ignore_dom()
  File "/usr/lib/python2.7/dist-packages/apport/report.py", line 713, in _get_ignore_dom
    dom = xml.dom.getDOMImplementation().createDocument(None, 'apport', None)
  File "/usr/lib/python2.7/dist-packages/cssutils/__init__.py", line 160, in createDocument
    raise NotImplementedError
NotImplementedError

Original exception was:
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 320, 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.cover_flow import CoverFlowMixin
  File "/usr/lib/calibre/calibre/gui2/cover_flow.py", line 22, in <module>
    class EmptyImageList(pictureflow.FlowImages):
AttributeError: 'module' object has no attribute 'FlowImages'

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: calibre 0.7.32+dfsg-1
ProcVersionSignature: Ubuntu 2.6.37-11.25-generic 2.6.37-rc7
Uname: Linux 2.6.37-11-generic x86_64
Architecture: amd64
Date: Mon Dec 27 08:46:35 2010
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=cs_CZ:cs:en_GB:en
 LANG=cs_CZ.UTF-8
 LC_MESSAGES=cs_CZ.utf8
 SHELL=/bin/bash
SourcePackage: calibre