* gnu/packages/qt.scm (python-pyqt): Update to 5.11.3. * gnu/packages/patches/pyqt-public-sip: Update patch.
* gnu/packages/qt.scm (python-sip)[arguments]: Don't use '--sip-module' flag in custom 'configure phase. (python-pyqt)[sources]: Add patch. * gnu/packages/patches/pyqt-public-sip.patch: New file. * gnu/local.mk (dist_patch_DATA): Register it.