code: def __str__(self):
      return self.__repr__()
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import turicreate
  from turicreate.toolkits._model import CustomModel
  from prettytable import PrettyTable
  from turicreate.toolkits._internal_utils import _precomputed_field, _toolkit_repr_print
  import six
label_desc: Use image node_id 7 for calling the GraphAnalyticsModel obj's underlying member method code with example usage: obj.__str__() and returns: self