code: def testScopedExportAndImport(self):
      test_dir = _TestDir("scoped_export_import")
      filenames = [
          "exported_hidden1.pbtxt",
          "exported_hidden2.pbtxt",
          "exported_softmax_linear.pbtxt",
      ]
      orig_meta_graphs = self._testScopedExport(test_dir, filenames)
      new_meta_graphs = self._testScopedImport(test_dir, filenames)
      for a, b in zip(orig_meta_graphs, new_meta_graphs):
          # The unbound input strings are slightly different with the C API enabled
          # ("images" vs "images:0") due to the original import_graph_def code
          # vs. ImportGraphDef in C++.
          # TODO(skyewm): update the pbtxts once _USE_C_API is removed.
          del a.collection_def["unbound_inputs"]
          del b.collection_def["unbound_inputs"]
          test_util.assert_meta_graph_protos_equal(self, a, b)
  
imports: import math
  import os.path
  import random
  import shutil
  from tensorflow.core.framework import graph_pb2
  from tensorflow.core.protobuf import meta_graph_pb2
  from tensorflow.python.client import session
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import function
  from tensorflow.python.framework import meta_graph
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import cond
  from tensorflow.python.ops import data_flow_ops
  from tensorflow.python.ops import gradients_impl
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import metrics
  from tensorflow.python.ops import nn_ops
  from tensorflow.python.ops import partitioned_variables
  from tensorflow.python.ops import random_ops
  from tensorflow.python.ops import resource_variable_ops
  from tensorflow.python.ops import variable_scope
  from tensorflow.python.ops import variables
  from tensorflow.python.ops import while_loop
  from tensorflow.python.platform import gfile
  from tensorflow.python.platform import test
  from tensorflow.python.training import queue_runner_impl
label_desc: Use image node_id 3 for calling the ScopedMetaGraphTest obj's underlying member method code with example usage: obj.testScopedExportAndImport() without return types