code: def _make_graph_def(self, text):
      ret = graph_pb2.GraphDef()
      text_format.Parse(text, ret)
      return ret
  
imports: from absl.testing import parameterized
  import numpy
  from google.protobuf import text_format
  from tensorflow.core.framework import graph_pb2
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import flexible_dtypes
  from tensorflow.python.framework import importer
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.framework import tensor_util
  from tensorflow.python.framework import test_util
  from tensorflow.python.framework.weak_tensor import WeakTensor
  from tensorflow.python.ops import gradients_impl
  from tensorflow.python.ops import weak_tensor_ops
  from tensorflow.python.ops import weak_tensor_test_util
  from tensorflow.python.ops.parallel_for import control_flow_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 11 for calling the WeakTensorConstantOpTest obj's underlying member method code with example usage: obj._make_graph_def(text) and returns: ret