code: def move_to_cuda(batch):
      return {k: v.cuda() for k, v in batch.items()}
  
imports: import copy
  from contextlib import nullcontext
  from typing import Optional
  import torch
  import torch.distributed
  from torch.testing import assert_close
  from torch.utils.data import Dataset
  import colossalai
  from colossalai.booster import Booster
  from colossalai.booster.plugin import HybridParallelPlugin
  from colossalai.fx import is_compatible_with_meta
  from colossalai.lazy.lazy_init import LazyInitContext
  from colossalai.nn.optimizer import HybridAdam
  from colossalai.testing import clear_cache_before_run, parameterize, rerun_if_address_is_in_use, spawn
  from colossalai.utils import get_current_device, set_seed
  from tests.kit.model_zoo import model_zoo
label_desc: Use image node_id 1 for calling a global function with example usage: move_to_cuda(batch) and returns: unknown