Test

Call evaluate_pre() instead of evaluate() on Maybe decider #650

Job	Run time
Python 3.8, Database sqlite	48s
Python 3.8, Database postgres	52s
Python 3.9, Database sqlite	46s
Python 3.9, Database postgres	45s
Python 3.10, Database sqlite	1m 15s
Python 3.10, Database postgres	1m 13s
Python 3.11, Database sqlite	1m 5s
Python 3.11, Database postgres	1m 14s
Python 3.12, Database sqlite	1m 5s
Python 3.12, Database postgres	56s
Python pypy-3.9, Database sqlite	13s
Python pypy-3.9, Database postgres	15s
Python pypy-3.10, Database sqlite	34s
Python pypy-3.10, Database postgres	41s
	11m 42s

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