code: def test_partial(self) -> None:
      im = IterationManager(
          num_epochs=2,
          edge_paths=["A", "B", "C"],
          num_edge_chunks=4,
          iteration_idx=(1 * 3 + 2) * 4 + 3,
      )
      self.assertEqual(list(im), [(1, 2, 3)])
  
file_path: PyTorch-BigGraph/test/test_train.py
imports: from itertools import product
  from unittest import main, TestCase
  from torchbiggraph.train_cpu import IterationManager
label_desc: Use image node_id 2 for calling the TestIterationManager obj's underlying member method code with example usage: obj.test_partial() without return types