code: def __init__(
      self, attr_name=_FieldStatus.UNSET, index=_FieldStatus.UNSET
  ):
      # Treat group_name as optional, and move it to the end
      super().__init__(None, attr_name, index)
  
file_path: pytorch_geometric/test/data/test_feature_store.py
imports: from dataclasses import dataclass
  import pytest
  import torch
  from torch_geometric.data import TensorAttr
  from torch_geometric.data.feature_store import AttrView, _FieldStatus
  from torch_geometric.testing import MyFeatureStore
label_desc: Use image node_id 1 to create a new MyTensorAttrNoGroupName object from inherited base classes: TensorAttr with example: obj = MyTensorAttrNoGroupName(attr_name, index)