code: def __repr__(self) -> str:
      return (
          f"{self.__class__.__name__}(num_relations={len(self.lins)}, "
          f"out_channels={self.out_channels})"
      )
  
imports: import copy
  import warnings
  from typing import Any, Dict, List, Optional, Union
  import torch
  from torch import Tensor
  from torch.nn import Module, Parameter
  from torch_geometric.nn.conv import MessagePassing
  from torch_geometric.nn.dense import Linear
  from torch_geometric.nn.fx import Transformer
  from torch_geometric.typing import EdgeType, Metadata, NodeType, SparseTensor
  from torch_geometric.utils.hetero import get_unused_node_types
label_desc: Use image node_id 3 for calling the LinearAlign obj's underlying member method code with example usage: obj.__repr__() and returns: self, str, len, str, self, str