See this fork:

https://github.com/purboo/ldoce5viewer-pyqt5

The LDOCE5 Viewer is an alternative dictionary viewer for the Longman Dictionary of Contemporary English 5th Edition (LDOCE 5).

It runs on Linux, Mac OS X and Microsoft Windows.

This software is free and open source software licensed under the terms of GPLv3.