def post_processing(img)
      img.combine_options do |cmd|
        cmd.strip # Deletes metatags
        cmd.colorspace 'sRGB' # Change colorspace
        cmd.auto_orient # Reset rotation
        cmd.quiet # Suppress warnings
      end
    end
def post_processing(img)
      img.combine_options do |cmd|
        cmd.strip # Deletes metatags
        cmd.colorspace 'sRGB' # Change colorspace
        cmd.auto_orient # Reset rotation
        cmd.quiet # Suppress warnings
      end
    end
Should be called for every jobmensa processor