code: def freeze_patch_emb(self):
      self.patch_embed1.requires_grad = False
  
imports: import math
  import torch
  import torch.nn
  import torch.nn.functional
  from functools import partial
  from torch.nn.init import trunc_normal_
  from megatron.model.transformer import DropPath
  from megatron.model import LayerNorm
label_desc: Use image node_id 4 for calling the MixVisionTransformer obj's underlying member method code with example usage: obj.freeze_patch_emb() without return types