code: def keys(self) -> Iterable[Key]:
      return [self.to_external_key(key) for key in super().keys()]
  
file_path: pytorch_geometric/torch_geometric/nn/parameter_dict.py
imports: from typing import Final, Iterable, Mapping, Optional, Set, Tuple, Union
  import torch
  from torch.nn import Parameter
label_desc: Use image node_id 8 for calling the ParameterDict obj's underlying member method code with example usage: obj.keys() and returns: unknown