code: def test_add_padding_shape_and_type_4(self):
      for start_pad_width in range(3):
          for end_pad_width in range(3):
              for ret_lengths in [True, False]:
                  self._local_test_add_padding_shape_and_type(
                      data=np.random.rand(3, 1, 2).astype(np.float32),
                      lengths=[1, 1, 1],
                      start_pad_width=start_pad_width,
                      end_pad_width=end_pad_width,
                      ret_lengths=ret_lengths,
                  )
  
imports: from caffe2.python import core
  from functools import partial
  from hypothesis import given, settings
  import caffe2.python.hypothesis_test_util
  import caffe2.python.serialized_test.serialized_test_util
  import hypothesis.strategies
  import numpy
  import unittest
  from caffe2.python import workspace
label_desc: Use image node_id 4 for calling the TestSequenceOps obj's underlying member method code with example usage: obj.test_add_padding_shape_and_type_4() without return types