code: def _testReverseSequence(
      self,
      x,
      batch_axis,
      seq_axis,
      seq_lengths,
      truth,
      use_gpu=False,
      expected_err_re=None,
  ):
      with self.cached_session(use_gpu=use_gpu):
          ans = array_ops.reverse_sequence(
              x,
              batch_axis=batch_axis,
              seq_axis=seq_axis,
              seq_lengths=seq_lengths,
          )
          if expected_err_re is None:
              tf_ans = self.evaluate(ans)
              if ans.dtype == dtypes.string:
                  self.assertAllEqual(tf_ans, truth)
              else:
                  self.assertAllClose(tf_ans, truth, atol=1e-10)
              self.assertShapeEqual(truth, ans)
          else:
              with self.assertRaisesOpError(expected_err_re):
                  self.evaluate(ans)
  
imports: import numpy
  from tensorflow.python.eager import context
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gradient_checker_v2
  from tensorflow.python.platform import test
  from tensorflow.python.util import nest
label_desc: Use image node_id 1 for calling the ReverseSequenceTest obj's underlying member method code with example usage: obj._testReverseSequence(x, batch_axis, seq_axis, seq_lengths, truth, use_gpu, expected_err_re) without return types