docstr: Return the value for the queried field.
  
  Get the value of a given field. The list of all queryable fields is
  documented in the beginning of the model class.
  
  >>> out = m._get('graph')
  
  Parameters
  ----------
  field : string
      Name of the field to be retrieved.
  
  Returns
  -------
  out : value
      The current value of the requested field.
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code: def _get(self, field):
      """
      Return the value for the queried field.
  
      Get the value of a given field. The list of all queryable fields is
      documented in the beginning of the model class.
  
      >>> out = m._get('graph')
  
      Parameters
      ----------
      field : string
          Name of the field to be retrieved.
  
      Returns
      -------
      out : value
          The current value of the requested field.
      """
      if field in self._list_fields():
          return self.__proxy__.get(field)
      else:
          raise KeyError(
              'Key "%s" not in model. Available fields are %s.'
              % (field, ", ".join(self._list_fields()))
          )
  
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 2 for calling the GraphAnalyticsModel obj's underlying member method code with example usage: obj._get(field) and returns: self