code: def test_dtensor_constructor(self):
      device_mesh = DeviceMesh(
          self.device_type, list(range(self.world_size))
      )
      placements = [Shard(0)]
      local_tensor = torch.randn(3, 3, requires_grad=True)
      dist_tensor_shape = torch.Size([self.world_size * 3, 3])
      dist_tensor = DTensor(
          local_tensor,
          device_mesh,
          placements,
          shape=dist_tensor_shape,
          dtype=local_tensor.dtype,
          requires_grad=True,
          stride=local_tensor.stride(),
      )
      self.assertEqual(
          dist_tensor.size(), torch.Size((self.world_size * 3, 3))
      )
  
      with self.assertWarnsRegex(UserWarning, "To construct"):
          DTensor(
              local_tensor,
              device_mesh,
              placements,
              shape=dist_tensor_shape,
              dtype=local_tensor.dtype,
              requires_grad=False,
              stride=local_tensor.stride(),
          )
  
      local_tensor = torch.randn(3, 3, requires_grad=False)
      with self.assertWarnsRegex(UserWarning, "To construct"):
          dist_tensor = DTensor(
              local_tensor,
              device_mesh,
              placements,
              shape=dist_tensor_shape,
              dtype=local_tensor.dtype,
              requires_grad=True,
              stride=local_tensor.stride(),
          )
  
imports: import torch
  import torch.nn.functional
  from numpy.testing import assert_array_equal
  from torch.distributed._functional_collectives import AsyncCollectiveTensor
  from torch.distributed._tensor import DeviceMesh, distribute_tensor, DTensor, init_device_mesh
  from torch.distributed._tensor.placement_types import _Partial, Replicate, Shard
  from torch.distributed.tensor.parallel import ColwiseParallel, parallelize_module, RowwiseParallel
  from torch.testing._internal.common_utils import run_tests
  from torch.testing._internal.distributed._tensor.common_dtensor import DTensorTestBase, with_comms
label_desc: Use image node_id 1 for calling the DTensorTest obj's underlying member method code with example usage: obj.test_dtensor_constructor() without return types