Fix broken figure generation for docs
Fix broken figure generation for docs

sambler/oiio,mcanthony/oiio,lgritz/oiio,OpenImageIO/oiio,scott-wilson/oiio,scott-wilson/oiio,OpenImageIO/oiio,cwilling/oiio,YangYangTL/oiio,sambler/oiio,bdeluca/oiio,OpenImageIO/oiio,OpenImageIO/oiio,cwilling/oiio,mcanthony/oiio,micler/oiio,bdeluca/oiio,lgritz/oiio,bdeluca/oiio,YangYangTL/oiio,lgritz/oiio,mcanthony/oiio,cwilling/oiio,micler/oiio,micler/oiio,scott-wilson/oiio,YangYangTL/oiio,bdeluca/oiio,mcanthony/oiio,sambler/oiio,sambler/oiio,cwilling/oiio,scott-wilson/oiio,micler/oiio,YangYangTL/oiio,lgritz/oiio