code: def _testPushCloseStack(self, use_gpu):
      with self.cached_session(use_gpu=use_gpu) as sess:
          h = gen_data_flow_ops.stack_v2(
              -1, elem_type=dtypes.float32, stack_name="foo"
          )
          c = gen_data_flow_ops.stack_push_v2(h, [[4.0, 5.0]])
          with ops.control_dependencies([c]):
              c1 = gen_data_flow_ops.stack_close_v2(h)
          self.evaluate(c1)
  
imports: import numpy
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import gen_data_flow_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import while_loop
  from tensorflow.python.platform import test
label_desc: Use image node_id 13 for calling the StackOpTest obj's underlying member method code with example usage: obj._testPushCloseStack(use_gpu) without return types