code: def __init__(self, embed: ImgToPatches, encoder: MixedStackedEncoder):
      super().__init__()
      self.embed = embed
      self.encoder = encoder
  
file_path: carefree-learn/cflearn/models/cv/encoder/backbone/models/transformer.py
imports: import torch
  from torch import nn
  from typing import Any
  from typing import List
  from typing import Optional
  from cftool.misc import shallow_copy_dict
  from ..register import register_backbone
  from ......modules.blocks import ImgToPatches
  from ......modules.blocks import MixedStackedEncoder
label_desc: Use image node_id 1 to create a new MixViTBlock object from inherited base classes: nn with example: obj = MixViTBlock(embed, encoder)