code: def get_jumpstart_sdk_spec(key):
      url = "{}/{}".format(JUMPSTART_BUCKET_BASE_URL, key)
      with request.urlopen(url) as f:
          model_spec = f.read().decode("utf-8")
      return json.loads(model_spec)
  
imports: from __future__ import absolute_import
  from urllib import request
  import json
  from packaging.version import Version
  from enum import Enum
label_desc: Use image node_id 2 for calling a global function with example usage: get_jumpstart_sdk_spec(key) and returns: json