Refactor #730

Job	Run time
Detect Changes	12s
constantpredictor/iris	21s
constantpredictor/kc2	25s
constantpredictor/cholesterol	22s
randomforest/iris	54s
randomforest/kc2	54s
randomforest/cholesterol	51s
autogluon/iris	1m 32s
autogluon/kc2	3m 43s
autogluon/cholesterol	1m 39s
autogluon/iris	29s
autogluon/kc2	26s
autogluon/cholesterol	28s
autosklearn/iris	27s
autosklearn/kc2	26s
autosklearn/cholesterol	27s
gama/iris	29s
gama/kc2	13s
gama/cholesterol	1s
h2oautoml/iris	1s
h2oautoml/kc2	13s
h2oautoml/cholesterol	27s
mlplanweka/iris	10s
mlplanweka/kc2	16s
mlplanweka/cholesterol	13s
mlr3automl/iris	14s
mlr3automl/kc2	26s
mlr3automl/cholesterol	27s
naiveautoml/iris	25s
naiveautoml/kc2	1s
naiveautoml/cholesterol	25s
tpot/iris	1s
tpot/kc2	1s
tpot/cholesterol	1s
tunedrandomforest/iris	1s
tunedrandomforest/kc2	1s
tunedrandomforest/cholesterol	1s
	17m 43s

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