code: def testGather(self, input_list, element_shape, indices, output):
      with self.session(), self.test_scope():
          tensor_list = list_ops.tensor_list_from_tensor(
              input_list, element_shape=element_shape
          )
          gather_t = list_ops.tensor_list_gather(
              tensor_list, indices, element_dtype=dtypes.float32
          )
          self.assertAllEqual(gather_t, output)
  
imports: import os
  from absl.testing import parameterized
  import numpy
  from tensorflow.compiler.tests import xla_test
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import list_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 15 for calling the ListOpsTest obj's underlying member method code with example usage: obj.testGather(input_list, element_shape, indices, output) without return types