Fix for new QImage API in PyQt 4.9.6
Fix for new QImage API in PyQt 4.9.6

campagnola/acq4,meganbkratz/acq4,acq4/acq4,meganbkratz/acq4,mgraupe/acq4,derricw/pyqtgraph,pbmanis/acq4,mgraupe/acq4,pbmanis/acq4,mgraupe/acq4,petebachant/pyqtgraph,hiuwo/acq4,duguxy/pyqtgraph,tropp/acq4,acq4/acq4,JenSte/pyqtgraph,ng110/pyqtgraph,tropp/acq4,pmaunz/pyqtgraph,benvermaercke/pyqtgraph,campagnola/acq4,wonkoderverstaendige/MausverPyler,stscieisenhamer/pyqtgraph,ericdill/pyqtgraph,ericdill/pyqtgraph,hiuwo/acq4,mgraupe/acq4,Lx37/pyqtgraph,Lx37/pyqtgraph,mpvismer/pyqtgraph,hiuwo/acq4,mpvismer/pyqtgraph,carlomt/dicom_tools,JenSte/pyqtgraph,carlomt/dicom_tools,onlyjus/pyqtgraph,pbmanis/acq4,campagnola/acq4,meganbkratz/acq4,jlombacher/pyqtgraph,pmaunz/pyqtgraph,onlyjus/pyqtgraph,vallsv/pyqtgraph,ddamiani/pyqtgraph,benvermaercke/pyqtgraph,welshjf/pyqtgraph,hiuwo/acq4,acq4/acq4,nmearl/pyqtgraph,tropp/acq4,duguxy/pyqtgraph,ng110/pyqtgraph,benvermaercke/pyqtgraph,gvalentine/pyqtgraph,vallsv/pyqtgraph,petebachant/pyqtgraph,ddamiani/pyqtgraph,gvalentine/pyqtgraph,ericdill/pyqtgraph,derricw/pyqtgraph,welshjf/pyqtgraph,meganbkratz/acq4,gvalentine/pyqtgraph,jlombacher/pyqtgraph,mgraupe/acq4,hiuwo/acq4,welshjf/pyqtgraph,nmearl/pyqtgraph,ddamiani/pyqtgraph,stscieisenhamer/pyqtgraph,acq4/acq4,pbmanis/acq4,campagnola/acq4,onlyjus/pyqtgraph,wonkoderverstaendige/MausverPyler,tropp/acq4