class_docstr: A pass that updates its content.
class_docstr_tok: ["A","pass","that","updates","its","content","."]
docstr: Initialize the update used to know if update happened. 
docstr_tok: ["Initialize","the","update","used","to","know","if","update","happened","."]
code: def __init__(self, *args, **kwargs):
      """Initialize the update used to know if update happened."""
      super(Transformation, self).__init__(*args, **kwargs)
      self.update = False
  
imports: import gast
  import os
  import re
  from time import time
label_desc: Use image node_id 1 to create a new Transformation object from inherited base classes: ContextManager, ast with example: obj = Transformation()