code: def upgrade_settings(
      self, setting_values, variable_revision_number, module_name
  ):
      if variable_revision_number == 1:
          setting_values.append(MODE_HOLES)
          variable_revision_number = 2
      return setting_values, variable_revision_number
  
file_path: CellProfiler/src/frontend/cellprofiler/modules/fillobjects.py
imports: import numpy
  import skimage.morphology
  import skimage.measure
  from cellprofiler_core.module.image_segmentation import ObjectProcessing
  from cellprofiler_core.setting import Binary
  from cellprofiler_core.setting.choice import Choice
  from cellprofiler_core.setting.text import Float
  from cellprofiler_library.modules import fillobjects
label_desc: Use image node_id 5 for calling the FillObjects obj's underlying member method code with example usage: obj.upgrade_settings(setting_values, variable_revision_number, module_name) and returns: setting_values,  variable_revision_number