code: def __repr__(self):
      return super().__repr__(tensor_contents=f"diag={self.diag}")
  
imports: import torch
  from copy import deepcopy
  from torch.utils._pytree import tree_map
  from torch.testing._internal.logging_tensor import LoggingTensor
label_desc: Use image node_id 4 for calling the DiagTensorBelow obj's underlying member method code with example usage: obj.__repr__() and returns: super