code: def get_adj_mat(self):
      adj = graph.normalize_adj_torch(F.relu(self.adj_mat))
      return adj
  
imports: import torch
  from .None import graph
  import torch.nn
  import torch.nn.functional
  from torch.nn.parameter import Parameter
label_desc: Use image node_id 4 for calling the Graph_trans obj's underlying member method code with example usage: obj.get_adj_mat() and returns: adj