class_docstr: LocalWBExplainer is the base class for local post-hoc white box explainers (LBBE).
  Such explainers generally require access to model's internals beyond its predict function.
  Examples include Contrastive explanation method[#1]_, Layer-wise Relevance Propagation[#2]_, etc.
  
  References:
      .. [#] Explanations based on the Missing: Towards Contrastive Explanations with Pertinent Negatives,
         NIPS, 2018. Amit Dhurandhar, Pin-Yu Chen, Ronny Luss, Chun-Chen Tu,
         Paishun Ting, Karthikeyan Shanmugam, Payel Das. https://arxiv.org/abs/1802.07623
      .. [#2] http://www.heatmapping.org/
docstr: Constructor method, initialize a LocalBBExplainer object.
  ToDo: check common steps that need to be distilled here. 
docstr_tok: ["Constructor","method",",","initialize","a","LocalBBExplainer","object",".","ToDo",":","check","common","steps","that","need","to","be","distilled","here","."]
code: def __init__(self, *argv, **kwargs):
      """
      Constructor method, initialize a LocalBBExplainer object.
      ToDo: check common steps that need to be distilled here.
      """
  
imports: import abc
  import sys
label_desc: Use image node_id 1 to create a new LocalWBExplainer object from inherited base classes: ABC with example: obj = LocalWBExplainer()