This part in quiz/browser/widget.zcml is the problem:
<z3c:widgetTemplate mode="display" field="schooltool.skin.flourish.fields.IImage" layer="schooltool.skin.flourish.IFlourishLayer" template="templates/image_display.pt" />
This part in quiz/browser/ widget. zcml is the problem:
<z3c: widgetTemplate "display" "schooltool. skin.flourish. fields. IImage" "schooltool. skin.flourish. IFlourishLayer" "templates/ image_display. pt"
mode=
field=
layer=
template=
/>