code: def add_graph(
      self, model, input_to_model=None, verbose=False, **kwargs
  ):
      # TODO: Visdom doesn't support graph visualization yet, so this is a no-op
      return
  
imports: import gc
  import numpy
  import math
  import json
  import time
  from .summary import compute_curve
  from .utils import figure_to_image
  from .x2num import make_np
label_desc: Use image node_id 13 for calling the VisdomWriter obj's underlying member method code with example usage: obj.add_graph(model, input_to_model, verbose) without return types