code: def img_to_tokens(self, img):
      x = self.to_patch_embedding(img)
  
      cls_tokens = repeat(
          self.cls_token, "1 n d -> b n d", b=x.shape[0]
      )
      x = torch.cat((cls_tokens, x), dim=1)
  
      x += self.pos_embedding
      x = self.dropout(x)
      return x
  
imports: import torch
  from torch import nn
  import torch.nn.functional
  from einops import rearrange, repeat
  from einops.layers.torch import Rearrange
label_desc: Use image node_id 2 for calling the ViT obj's underlying member method code with example usage: obj.img_to_tokens(img) and returns: x