Comment 4 for bug 642913

Well this bug is still present on Ubuntu 10.04.2 LTS

Here the information:
Python version: Python 2.6.5

Package used python-wnck 2.30.0-0ubuntu1

Package: python-wnck
Priority: optional
Section: python
Installed-Size: 156
Maintainer: Ubuntu Desktop Team <email address hidden>
Original-Maintainer: Loic Minier <email address hidden>
Architecture: i386
Source: gnome-python-desktop
Version: 2.30.0-0ubuntu1
Depends: libatk1.0-0 (>= 1.29.3), libc6 (>= 2.3.6-6~), libcairo2 (>= 1.2.4), libfontconfig1 (>= 2.8.0), libfreetype6 (>= 2.2.1), libglib2.0-0 (>= 2.16.0), libgtk2.0-0 (>= 2.8.0), libpango1.0-0 (>= 1.14.0), libwnck22 (>= 2.22.0), zlib1g (>= 1:1.1.4), python (<< 2.7), python (>= 2.6), python-support (>= 0.90.0), python-gtk2
Conflicts: python-gnome2-desktop (<< 2.26.0-0ubuntu3)
Filename: pool/main/g/gnome-python-desktop/python-wnck_2.30.0-0ubuntu1_i386.deb
Size: 47174
MD5sum: df81343927ea7f01b7cb43a2325f0c8f
SHA1: 4709e63c9c86c799d59a2ebe22ed4244cf0102fd
SHA256: 96f5533ac295df352603c542d099bd245066f8a1043aa00386f7149a38b01c48
Description: Python bindings for the WNCK library
 This package contains a module that allows to communicate with the
 Window Manager using the EWMH specification from Python applications.
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Origin: Ubuntu
Supported: 3y
Task: ubuntu-desktop, edubuntu-desktop, ubuntu-netbook

Error when importing wnck:

python -c "import wnck"

** (-c:30723): WARNING **: Trying to register gtype 'WnckWindowState' as enum when in fact it is of type 'GFlags'

** (-c:30723): WARNING **: Trying to register gtype 'WnckWindowActions' as enum when in fact it is of type 'GFlags'

** (-c:30723): WARNING **: Trying to register gtype 'WnckWindowMoveResizeMask' as enum when in fact it is of type 'GFlags'