Test

Remove unnecessary py3.8 compat path #640

Job	Run time
Python 3.8, Database sqlite	1m 30s
Python 3.8, Database postgres	1m 29s
Python 3.9, Database sqlite	1m 30s
Python 3.9, Database postgres	1m 26s
Python 3.10, Database sqlite	2m 15s
Python 3.10, Database postgres	2m 16s
Python 3.11, Database sqlite	1m 44s
Python 3.11, Database postgres	1m 43s
Python 3.12, Database sqlite	1m 31s
Python 3.12, Database postgres	1m 23s
Python pypy-3.9, Database sqlite	3m 35s
Python pypy-3.9, Database postgres	2m 40s
Python pypy-3.10, Database sqlite	3m 28s
Python pypy-3.10, Database postgres	2m 53s
	29m 23s

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