code: def bn_3d(dim):
      return nn.BatchNorm3d(dim)
  
imports: from collections import OrderedDict
  import torch
  from torch import nn
  from torch.utils import checkpoint
  from functools import partial
  from towhee.models.utils.general_utils import to_2tuple
  from towhee.models.utils.weight_init import trunc_normal_
  from towhee.models.layers.droppath import DropPath
  from towhee.models.layers.mlp import Mlp
  from towhee.models.layers.attention import MultiHeadAttention
  from towhee.models.uniformer.config import _C
  import os
label_desc: Use image node_id 7 for calling a global function with example usage: bn_3d(dim) and returns: nn