code: def display(self, workspace, figure):
      input_image_names = workspace.display_data.input_image_names
      images = workspace.display_data.images
      nsubplots = len(input_image_names)
  
      if self.scheme_choice == SCHEME_CMYK:
          subplots = (3, 2)
          subplot_indices = ((0, 0), (0, 1), (1, 0), (1, 1), (2, 0))
          color_subplot = (2, 1)
      elif self.scheme_choice == SCHEME_RGB:
          subplots = (2, 2)
          subplot_indices = ((0, 0), (0, 1), (1, 0))
          color_subplot = (1, 1)
      else:
          subplots = (min(nsubplots + 1, 4), int(nsubplots / 4) + 1)
          subplot_indices = [
              (i % 4, int(i / 4)) for i in range(nsubplots)
          ]
          color_subplot = (nsubplots % 4, int(nsubplots / 4))
      figure.set_subplots(subplots)
      for i, (input_image_name, image_pixel_data) in enumerate(
          zip(input_image_names, images)
      ):
          x, y = subplot_indices[i]
          figure.subplot_imshow_grayscale(
              x,
              y,
              image_pixel_data,
              title=input_image_name,
              sharexy=figure.subplot(0, 0),
          )
          figure.subplot(x, y).set_visible(True)
      for x, y in subplot_indices[len(input_image_names) :]:
          figure.subplot(x, y).set_visible(False)
      figure.subplot_imshow(
          color_subplot[0],
          color_subplot[1],
          workspace.display_data.rgb_pixel_data[:, :, :3],
          title=self.rgb_image_name.value,
          sharexy=figure.subplot(0, 0),
          normalize=False,
      )
  
imports: import numpy
  from cellprofiler_core.image import Image
  from cellprofiler_core.module import Module
  from cellprofiler_core.setting import Color, Binary
  from cellprofiler_core.setting import HiddenCount
  from cellprofiler_core.setting import SettingsGroup
  from cellprofiler_core.setting import ValidationError
  from cellprofiler_core.setting.choice import Choice
  from cellprofiler_core.setting.do_something import DoSomething, RemoveSettingButton
  from cellprofiler_core.setting.subscriber import ImageSubscriber
  from cellprofiler_core.setting.text import ImageName, Float
label_desc: Use image node_id 9 for calling the GrayToColor obj's underlying member method code with example usage: obj.display(workspace, figure) without return types