code: def volumetric(self):
      return True
  
imports: import numpy
  import scipy.ndimage
  import scipy.stats
  from cellprofiler_core.constants.measurement import COLTYPE_FLOAT
  from cellprofiler_core.module import Module
  from cellprofiler_core.setting import Divider, Binary, ValidationError
  from cellprofiler_core.setting.choice import Choice
  from cellprofiler_core.setting.subscriber import LabelListSubscriber, ImageListSubscriber
  from cellprofiler_core.setting.text import Float
  from cellprofiler_core.utilities.core.object import size_similarly
  from centrosome.cpmorphology import fixup_scipy_ndimage_result
  from scipy.linalg import lstsq
label_desc: Use image node_id 20 for calling the MeasureColocalization obj's underlying member method code with example usage: obj.volumetric() and returns: True