code: def forward(self, x: paddle.Tensor):
      x = x + self.attention(self.ln_1(x))
      x = x + self.mlp(self.ln_2(x))
      return x
  
imports: from collections import OrderedDict
  from typing import Tuple, Union
  import numpy
  import paddle
  from paddle.nn.initializer import Constant
  from paddle.vision.transforms import Compose, Resize, CenterCrop, ToTensor, Normalize
label_desc: Use image node_id 3 for calling the ResidualAttentionBlock obj's underlying member method code with example usage: obj.forward(x) and returns: x