docstr: True if we are supposed to combine RGB to gray
docstr_tok: ["True","if","we","are","supposed","to","combine","RGB","to","gray"]
code: def should_combine(self):
      """True if we are supposed to combine RGB to gray"""
      return self.combine_or_split == COMBINE
  
imports: import re
  import matplotlib.colors
  import numpy
  from cellprofiler_core.image import Image
  from cellprofiler_core.module import Module
  from cellprofiler_core.setting import 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
  from cellprofiler_core.setting.do_something import RemoveSettingButton
  from cellprofiler_core.setting.subscriber import ImageSubscriber
  from cellprofiler_core.setting.text import Float
  from cellprofiler_core.setting.text import ImageName
  from cellprofiler_core.setting.text import Integer
label_desc: Use image node_id 5 for calling the ColorToGray obj's underlying member method code with example usage: obj.should_combine() and returns: unknown