Gentoo's Bugzilla –
Attachment 404704 Details for
Bug 551382sci-visualization/veusz-1.23 - veusz-1.23-python3_3/temp.linux-x86_64-3.3/sipqtmmlQtMmlWidget.cpp:375:41: error: no matching function for call to ‘sipQtMmlWidget::disconnectNotify(const QMetaMethod&)’