PySide (thanks lambda) appears to be LGPL; "better" than PyQT, but still not shippable in the core Python distro without changing the license of the core distro.
I think that's as "good" as a QT binding can be, too; QT itself is LPGL (or commercial license).
I think that's as "good" as a QT binding can be, too; QT itself is LPGL (or commercial license).