pychecker

How can I tell Pychecker to ignore an imported library?

One of the modules I import into my python project triggers lots of warnings under Pychecker. Fixing up this external module isn't really an option, so I want to tell Pychecker to ignore it. Does anyone know how to do this? I'm sure it's possible, and probably quite simple, but after trawling Google for a while I've not found any docume...