code: def test_make_compact(self):
      assert nxt.make_compact(["d", "d", "d", "i", "d", "d"]) == [
          3,
          1,
          2,
      ]
      assert nxt.make_compact([3, 1, 2]) == [3, 1, 2]
      assert pytest.raises(TypeError, nxt.make_compact, [3.0, 1.0, 2.0])
  
imports: import pytest
  import networkx
  import networkx.algorithms.threshold
  from networkx.algorithms.isomorphism.isomorph import graph_could_be_isomorphic
label_desc: Use image node_id 3 for calling the TestGeneratorThreshold obj's underlying member method code with example usage: obj.test_make_compact() without return types