code: def get_measurement_columns(self, pipeline):
      image = "Image"
  
      features = [
          self.get_measurement_name("Branches"),
          self.get_measurement_name("Endpoints"),
      ]
  
      column_type = "integer"
  
      return [(image, feature, column_type) for feature in features]
  
imports: import numpy
  import scipy.ndimage
  import skimage.segmentation
  import skimage.util
  from cellprofiler_core.module import Module
  from cellprofiler_core.setting.subscriber import ImageSubscriber
label_desc: Use image node_id 8 for calling the MeasureImageSkeleton obj's underlying member method code with example usage: obj.get_measurement_columns(pipeline) and returns: unknown