Fix `parse_version` `NameError` #4193

Job	Run time
django, python 3.5, ubuntu-20.04	4m 12s
django, python 3.6, ubuntu-20.04	4m 54s
django latest, python 3.10, ubuntu-20.04	1m 39s
django, python 3.7, ubuntu-20.04	4m 20s
django latest, python 3.11, ubuntu-20.04	1m 49s
django, python 3.8, ubuntu-20.04	5m 38s
django latest, python 3.12, ubuntu-20.04	2m 9s
django, python 3.9, ubuntu-20.04	6m 20s
django, python 2.7, ubuntu-20.04	2m 49s
django, python 3.10, ubuntu-20.04	5m 9s
django, python 3.11, ubuntu-20.04	5m 8s
django, python 3.12, ubuntu-20.04	5m 45s
All django tests passed or skipped	1s
	49m 53s

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