code: def __repr__(self):
      return (
          self.__class__.__name__
          + " ("
          + str(self.in_features)
          + " -> "
          + str(self.out_features)
          + ")"
      )
  
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 GraphConvolution obj's underlying member method code with example usage: obj.__repr__() and returns: unknown