code: def test_uniquifier():
      from deepchem.utils import Uniquifier
  
      a = 1
      b = 2
      c = 3
      d = 1
      u = Uniquifier([a, b, c, a, d])
      u.get_unique_objs() == [1, 2, 3]
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_uniquifier() without return types