code: def __init__(
      self, tier_class="", name="", xmin=0.0, xmax=0.0, intervals=[]
  ):
      self.tier_class = tier_class
      self.name = name
      self.xmin = xmin
      self.xmax = xmax
      self.intervals = intervals
  
      if self.xmax < self.xmin:
          raise ValueError(
              "xmax ({}) < xmin ({})".format(self.xmax, self.xmin)
          )
  
imports: import argparse
  import codecs
  import glob
  import os
  import sys
  from multiprocessing import Pool
label_desc: Use image node_id 1 to create a new Tier object from inherited base classes: object with example: obj = Tier(tier_class, name, xmin, xmax, intervals)