class_docstr: Replaces the treatment variable with a new variable randomly generated.
code: def __init__(self, *args, **kwargs):
      super().__init__(*args, **kwargs)
  
imports: import logging
  import numpy
  import pandas
  from collections import defaultdict
  import matplotlib.pyplot
  from importlib import import_module
label_desc: Use image node_id 1 to create a new SensitivityPlaceboTreatment object from inherited base classes: Sensitivity with example: obj = SensitivityPlaceboTreatment()