code: def test_shard():
      def layout(n_replicas, replica_idx):
          return ModelLayout.standard(
              total_gpus=n_replicas, my_rank=replica_idx
          )
  
      assert list(distribute(range(7), layout(3, 0))) == [0, 3]
      assert list(distribute(range(7), layout(3, 1))) == [1, 4]
  
      def dies_after_one():
          yield 5
          raise TimeoutError
  
      it = iter(distribute(dies_after_one(), layout(2, 0)))
      with pytest.raises(TimeoutError):
          next(it)
  
imports: import pytest
  from summarize_from_feedback.model_layout import ModelLayout
  from summarize_from_feedback.utils.even_more_itertools import distribute
label_desc: Use image node_id 1 for calling a global function with example usage: test_shard() and returns: ModelLayout