code: def test_contamination_schema():
      schema = read_schema()
      contamination = read_contamination()
      validate_contamination(contamination, schema)
  
      assert (
          contamination.get_point("openai/davinci", "boolq") is not None
      )
      assert (
          contamination.get_point("openai/davinci", "not_exists")
          is None
      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_contamination_schema() without return types