> > Do you have a matplotlibrc file that sets a Qt-based backend? The default > backend is TkAgg, which does not require Qt. (Note that PySide is a Qt > interface for Python.) > I myself have never created such a file.
I searched home with `find . -iname "*matplotlib*"`, didn't find the rc file you mentioned except in some virtualenvs. But that should not be related. By searching /etc as root, didn't find it either.
