updated db and bug fixing #75

Job	Run time
build-os-latest (ubuntu-latest, 3.10, pylint)	5m 43s
build-os-latest (ubuntu-latest, 3.10, pytest)	1m 19s
build-os-latest (macOS, 3.10, pylint)	1s
build-os-latest (macOS, 3.10, pytest)	1s
	7m 4s

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