code: def test_predict_from_operation_more():
      classifier = ThresholdOperation(">", 0.5)
      assert classifier(-10000) == 0
      assert classifier(0) == 0
      assert classifier(0.5) == 0
      assert classifier(1) == 1
      assert classifier(10000) == 1
  
imports: import pytest
  from fairlearn.postprocessing._threshold_operation import ThresholdOperation
label_desc: Use image node_id 2 for calling a global function with example usage: test_predict_from_operation_more() without return types