code: def testNotAGraph(self):
      self.assertRaises(
          TypeError, graph_interface.GraphInterface, "hello"
      )
  
file_path: mesh/mesh_tensorflow/auto_mtf/graph_interface_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import mesh_tensorflow
  from mesh_tensorflow.auto_mtf import graph_interface
  import tensorflow.compat.v1
  from tensorflow.core.framework import cost_graph_pb2
  from tensorflow.core.framework import tensor_shape_pb2
  from tensorflow.core.framework import types_pb2
label_desc: Use image node_id 6 for calling the GraphInterfaceTest obj's underlying member method code with example usage: obj.testNotAGraph() without return types