StacktraceTop: QHash<void*, PyQtProxy*>::duplicateNode(QHashData::Node*, void*) () from /tmp/tmp1yr1xM/usr/lib/python2.7/dist-packages/PyQt4/QtCore.so QHashData::detach_helper2 (this=0x2c58970, node_duplicate=0x7fb736a190f0 <QHash<void*, PyQtProxy*>::duplicateNode(QHashData::Node*, void*)>, node_delete=0x7fb736a190e0 <QHash<void*, PyQtProxy*>::deleteNode2(QHashData::Node*)>, nodeSize=<optimized out>, nodeAlign=8) at tools/qhash.cpp:235 sipQtFindSipslot () from /tmp/tmp1yr1xM/usr/lib/python2.7/dist-packages/PyQt4/QtCore.so sipWrapper_traverse (arg=0x0, visit=0x7fb737610620 <visit_decref>, self=0x2d864d0) at /build/buildd/sip4-4.12.4/siplib/siplib.c:9648 sipWrapper_traverse (self=0x2d864d0, visit=0x7fb737610620 <visit_decref>, arg=0x0) at /build/buildd/sip4-4.12.4/siplib/siplib.c:9629
StacktraceTop: >::duplicateNod e(QHashData: :Node*, void*) () from /tmp/tmp1yr1xM/ usr/lib/ python2. 7/dist- packages/ PyQt4/QtCore. so :detach_ helper2 (this=0x2c58970, node_duplicate= 0x7fb736a190f0 <QHash<void*, PyQtProxy* >::duplicateNod e(QHashData: :Node*, void*)>, node_delete= 0x7fb736a190e0 <QHash<void*, PyQtProxy* >::deleteNode2( QHashData: :Node*) >, nodeSize=<optimized out>, nodeAlign=8) at tools/qhash.cpp:235 usr/lib/ python2. 7/dist- packages/ PyQt4/QtCore. so traverse (arg=0x0, visit=0x7fb7376 10620 <visit_decref>, self=0x2d864d0) at /build/ buildd/ sip4-4. 12.4/siplib/ siplib. c:9648 traverse (self=0x2d864d0, visit=0x7fb7376 10620 <visit_decref>, arg=0x0) at /build/ buildd/ sip4-4. 12.4/siplib/ siplib. c:9629
QHash<void*, PyQtProxy*
QHashData:
sipQtFindSipslot () from /tmp/tmp1yr1xM/
sipWrapper_
sipWrapper_