Gib Bogle wrote: > I installed the latest PyQt (4.7-1), then PyQwt 5.2.0, which was built > with PyQt4.5.4. This line > > import PyQt4.Qwt5 as Qwt > > fails to load the DLL. Could this be the result of not using PyQt4 4.5.4? I guess I can answer my own question. As far as I can determine, PyQwt 5.2.0 needs PyQt 4.5.4 to work.