class_docstr: This is a wrapper class for testing DP plugin initialization and dataloader creation.
class_docstr_tok: ["This","is","a","wrapper","class","for","testing","DP","plugin","initialization","and","dataloader","creation","."]
code: def no_sync(self, model: nn.Module) -> Iterator[None]:
      pass
  
imports: from typing import Callable, Iterator, List, Tuple, Union
  import torch
  import torch.distributed
  import torch.nn
  from torch.optim import Optimizer
  from torch.optim.lr_scheduler import _LRScheduler
  from torch.utils.data import DataLoader, TensorDataset
  import colossalai
  from colossalai.booster.plugin.dp_plugin_base import DPPluginBase
  from colossalai.checkpoint_io import CheckpointIO
  from colossalai.interface import OptimizerWrapper
  from colossalai.testing import rerun_if_address_is_in_use, spawn
label_desc: Use image node_id 9 for calling the DPPluginWrapper obj's underlying member method code with example usage: obj.no_sync(model) without return types