CI

Fixed readthedocs (#443) #224

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Run time

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Job	Run time
unittest (3.8)	29s
unittest (3.9)	24s
unittest (3.10)	28s
unittest (3.11)	26s
unittest (3.12)	33s
unittest (3.13)	38s
integration (3.8)	1m 4s
integration (3.9)	1m 9s
integration (3.10)	1m 7s
integration (3.11)	1m 0s
integration (3.12)	1m 6s
integration (3.13)	1m 11s
lint (3.13)	43s
	10m 18s