code: def test_stack(self):
      ta = nptf.compat.v2.TensorArray(
          dtype=np.float32, tensor_array_name="foo", size=3
      )
      w0 = ta.write(0, -3.0)
      w1 = w0.write(1, -2.0)
      w2 = w1.write(2, -1.0)
      self.assertAllEqual(np.array([-3.0, -2.0, -1.0]), w2.stack())
  
file_path: probability/tensorflow_probability/python/internal/backend/numpy/tensor_array_ops_test.py
imports: import numpy
  from tensorflow_probability.python.internal.backend import numpy
  from tensorflow_probability.substrates.numpy.internal import test_util
label_desc: Use image node_id 5 for calling the TensorArrayTest obj's underlying member method code with example usage: obj.test_stack() without return types