Bug#387414: A workaround
With the workaround provided by Jerome the python back-end still doesn't works: omniidl: Could not import back-end 'python' omniidl: Maybe you need to use the -p option? omniidl: (The error was 'No module named python') I've fixed it by adding '/usr/share/pycentral/omniidl4-python/site-packages
Bug#387414: A workaround
Running it like this fixe the problem: PYTHONPATH=/usr/lib/python-support/omniidl4/python2.4/:/usr/share/python-support/omniidl4/ omniidl