Django - remove duplicate objects where there is more than one field to compare

remove_duplicates.py

from django.db.models import Count, Max
from core.models import HelpRequest

unique_fields = ['phone', 'title']

actives = HelpRequest.objects.filter(active=True)

duplicates = (
    actives.values(*unique_fields)
    .order_by()
    .annotate(max_id=Max('id'), count_id=Count('id'))
    .filter(count_id__gt=1)
)

for duplicate in duplicates:
    (
        HelpRequest.objects
        .filter(**{x: duplicate[x] for x in unique_fields})
        .exclude(id=duplicate['max_id'])
        .update(active=False)
    )