code: def testString(self):
      params = np.array([[b"asdf", b"zxcv"], [b"qwer", b"uiop"]])
      with self.cached_session():
          indices_tf = constant_op.constant([1])
          self.assertAllEqual(
              [[b"qwer", b"uiop"]],
              self.evaluate(array_ops.batch_gather(params, indices_tf)),
          )
  
file_path: tensorflow-upstream/tensorflow/python/kernel_tests/array_ops/batch_gather_op_test.py
imports: from absl.testing import parameterized
  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 test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 5 for calling the GatherTest obj's underlying member method code with example usage: obj.testString() without return types