Fix python3.9 to doc GA #250

Job	Run time
build (ubuntu-latest, 3.8, openmpi)	2m 15s
build (ubuntu-latest, 3.8, intelmpi)	2m 3s
build (ubuntu-latest, 3.9, openmpi)	2m 18s
build (ubuntu-latest, 3.9, intelmpi)	2m 9s
build (ubuntu-latest, 3.10, mpich)	1m 50s
build (ubuntu-latest, 3.10, openmpi)	2m 1s
build (ubuntu-latest, 3.10, intelmpi)	1m 56s
build (ubuntu-latest, 3.11, mpich)	2m 0s
build (ubuntu-latest, 3.11, openmpi)	2m 15s
build (ubuntu-latest, 3.11, intelmpi)	2m 7s
build (macos-latest, 3.8, mpich)	3m 23s
build (macos-latest, 3.8, openmpi)	3m 50s
build (macos-latest, 3.9, mpich)	4m 9s
build (macos-latest, 3.9, openmpi)	3m 38s
build (macos-latest, 3.10, mpich)	2m 7s
build (macos-latest, 3.10, openmpi)	2m 39s
build (macos-latest, 3.11, mpich)	4m 40s
build (macos-latest, 3.11, openmpi)	3m 4s
	48m 24s

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