code: def test_get_operation(input_type, expected):
      assert MissingValues()._get_operation(input_type) is expected
  
file_path: autogluon/eda/tests/unittests/visualization/test_missing.py
imports: from unittest.mock import MagicMock, call
  import missingno
  import numpy
  import pandas
  import pytest
  from autogluon.eda import AnalysisState
  from autogluon.eda.visualization import MissingValues
label_desc: Use image node_id 3 for calling a global function with example usage: test_get_operation(input_type, expected) without return types