code: def test_get_locations_empty_list(ray_start_regular):
      locations = ray.experimental.get_object_locations([])
      assert len(locations) == 0
  
file_path: ray/python/ray/tests/test_get_locations.py
imports: import time
  import numpy
  import pytest
  import ray
label_desc: Use image node_id 2 for calling a global function with example usage: test_get_locations_empty_list(ray_start_regular) without return types