code: def __init__(self, toolkit, meta_path):
      self.toolkit = toolkit.lower()
      self.meta_path = meta_path
  
imports: import base64
  from google.protobuf import json_format
  from importlib import import_module
  import json
  import numpy
  import os
  import sys
  from mmdnn.conversion.caffe.errors import ConversionError
  from mmdnn.conversion.caffe.common_graph import fetch_attr_value
  from mmdnn.conversion.caffe.utils import get_lower_case, get_upper_case, get_real_name
label_desc: Use image node_id 1 to create a new GraphDrawer object from inherited base classes: object with example: obj = GraphDrawer(toolkit, meta_path)