Python ImageSpec.set_channel_formats: make it work for either basetype or TypeDesc
Python ImageSpec.set_channel_formats: make it work for either basetype or TypeDesc

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