code: def _make_graph_def_with_constant_nodes(
      self, node_sizes, dtype=None, **function_node_sizes
  ):
      return test_util.make_graph_def_with_constant_nodes(
          node_sizes, dtype, **function_node_sizes
      )
  
imports: import itertools
  from google.protobuf import message
  from google.protobuf import text_format
  from tensorflow.core.framework import function_pb2
  from tensorflow.core.framework import graph_pb2
  from tensorflow.python.platform import test
  from tensorflow.tools.proto_splitter import chunk_pb2
  from tensorflow.tools.proto_splitter import constants
  from tensorflow.tools.proto_splitter import split_graph_def
  from tensorflow.tools.proto_splitter import util
  from tensorflow.tools.proto_splitter.python import test_util
label_desc: Use image node_id 1 for calling the GraphDefSplitterTest obj's underlying member method code with example usage: obj._make_graph_def_with_constant_nodes(node_sizes, dtype) and returns: test_util