If you use one of my latest scripts with automatic annotation and logos on the left side of the image you might run into an additional problem with 1 channel only. There is a script line "layers, height, width = new_scn[composite].shape" (credits Christian Peters) where I only use the "height" to automagically scale the annotation and logos. In case of a single channel there is no "layers" and this must read "height, width = new_scn[composite].shape". But Python will tell you anyway ...
