code: def forward(self, x):
      return x + self.act(self.lin2(self.act(self.lin1(x))))
  
imports: import torch
  from torch import nn
  from torch.nn import Linear, Embedding
  from torch_geometric.nn.inits import glorot_orthogonal
  from torch_geometric.nn import radius_graph
  from torch_scatter import scatter
  from math import sqrt
  from ...utils import xyz_to_dat
  from .features import dist_emb, angle_emb, torsion_emb
label_desc: Use image node_id 3 for calling the ResidualLayer obj's underlying member method code with example usage: obj.forward(x) and returns: unknown