code: def forward(self, x):
      return rearrange(
          x, "b (h w) c -> b c h w", h=int(math.sqrt(x.shape[1]))
      )
  
file_path: vit-pytorch/vit_pytorch/t2t.py
imports: import math
  import torch
  from torch import nn
  from vit_pytorch.vit import Transformer
  from einops import rearrange, repeat
  from einops.layers.torch import Rearrange
label_desc: Use image node_id 1 for calling the RearrangeImage obj's underlying member method code with example usage: obj.forward(x) and returns: rearrange