code: def test_empty(self) -> None:
      self.assertEqual(
          EntityList.empty(),
          EntityList(
              torch.empty((0,), dtype=torch.long), TensorList.empty()
          ),
      )
  
file_path: PyTorch-BigGraph/test/test_entitylist.py
imports: from typing import Sequence
  from unittest import main, TestCase
  import torch
  from torchbiggraph.entitylist import EntityList
  from torchbiggraph.tensorlist import TensorList
label_desc: Use image node_id 1 for calling the TestEntityList obj's underlying member method code with example usage: obj.test_empty() without return types