code: def __extract_model_summary_value(model, value):
      """
      Extract a model summary field value
      """
      field_value = None
      if isinstance(value, _precomputed_field):
          field_value = value.field
      else:
          field_value = model._get(value)
      if isinstance(field_value, float):
          try:
              field_value = round(field_value, 4)
          except:
              pass
      return field_value
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  from ..data_structures.sframe import SArray
  from ..data_structures.sframe import SFrame
  from ..data_structures.sgraph import SGraph
  from ..data_structures.sgraph import Vertex
  from ..data_structures.sgraph import Edge
  from .._cython.cy_sarray import UnitySArrayProxy
  from .._cython.cy_sframe import UnitySFrameProxy
  from .._cython.cy_graph import UnityGraphProxy
  from ..toolkits._main import ToolkitError
  import json
  import six
label_desc: Use image node_id 11 for calling a global function with example usage: __extract_model_summary_value(model, value) and returns: field_value