code: def test_gather(state):
      tensor = create_tensor(state)
      gathered_tensor = gather(tensor)
      assert gathered_tensor.tolist() == list(
          range(1, state.num_processes**2 + 1)
      )
  
file_path: accelerate/src/accelerate/test_utils/scripts/test_ops.py
imports: import torch
  from accelerate import PartialState
  from accelerate.test_utils.testing import assert_exception
  from accelerate.utils.dataclasses import DistributedType
  from accelerate.utils.operations import DistributedOperationException, broadcast, gather, gather_object, pad_across_processes, reduce
label_desc: Use image node_id 2 for calling a global function with example usage: test_gather(state) without return types