class_docstr: A way to represent a set of dot chained operations on an object without actually running them.
      
class_docstr_tok: ["A","way","to","represent","a","set","of","dot","chained","operations","on","an","object","without","actually","running","them","."]
code: def __init__(self, root_name=""):
      self._ops = []
      self._root_name = root_name
  
imports: import copy
  import os
  import re
  import sys
  from contextlib import contextmanager
  import numpy
  import pandas
  import scipy.special
  import sklearn
label_desc: Use image node_id 1 to create a new OpChain object  with example: obj = OpChain(root_name)