code: def create_XCiT_DDP(model_config: AttrDict, model_name: str):
      with set_torch_seed(model_config._MODEL_INIT_SEED):
          return XCiT(model_config, model_name)
  
imports: import logging
  import math
  from functools import partial
  from typing import List, Optional
  import torch
  import torch.nn
  from fairscale.nn import checkpoint_wrapper
  from vissl.config import AttrDict
  from vissl.models.model_helpers import DropPath, to_2tuple, trunc_normal_
  from vissl.models.trunks import register_model_trunk
  from vissl.models.trunks.vision_transformer import Mlp
  from vissl.utils.fsdp_utils import fsdp_wrapper
  from vissl.utils.misc import set_torch_seed
label_desc: Use image node_id 2 for calling a global function with example usage: create_XCiT_DDP(model_config, model_name) and returns: XCiT