ipython/ipython — pull request #4642 by takluyver (2013-12-04 19:44:00+00:00)
Title: Allow docs to build without PyQt installed.

PyQt/PySide is needed to list the config options for the Qt console. But some environments and contributors may not have it, and it's not always easy to install. This prints a warning and skips the list of Qt console options if the import fails.