refactor: handle duplicates while using the enforcer directly (#98) #10

Job	Run time
tests (ubuntu-latest, 3.11, django52)	40s
tests (ubuntu-latest, 3.11, docs)	1m 3s
tests (ubuntu-latest, 3.12, pii_check)	39s
tests (ubuntu-latest, 3.11, quality)	43s
tests (ubuntu-latest, 3.11, django42)	54s
tests (ubuntu-latest, 3.11, pii_check)	34s
tests (ubuntu-latest, 3.12, django52)	45s
tests (ubuntu-latest, 3.12, docs)	48s
tests (ubuntu-latest, 3.12, quality)	59s
tests (ubuntu-latest, 3.12, django42)	51s
	7m 56s

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