code: def __init__(self, warm_start="auto"):
      self.model_to_filename = {
          "auto": "drawing_classifier_pre_trained_model_245_classes_v0.params",
          "quickdraw_245_v0": "drawing_classifier_pre_trained_model_245_classes_v0.params",
      }
      self.source_url = _urlparse.urljoin(
          MODELS_URL_ROOT, self.model_to_filename[warm_start]
      )
      # @TODO: Think about how to bypass the md5 checksum if the user wants to
      # provide their own pretrained model.
      self.source_md5 = "71ba78e48a852f35fb22999650f0a655"
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import os
  import sys
  import requests
  import turicreate
  import hashlib
  from six.moves.urllib import parse
label_desc: Use image node_id 1 to create a new DrawingClassifierPreTrainedModel object from inherited base classes: object with example: obj = DrawingClassifierPreTrainedModel(warm_start)