Fix typo.

biscuit/apps/alsijil/views.py

@@ -203,7 +203,7 @@ def full_register_group(request: HttpRequest, id_: int) -> HttpResponse:
         persons = persons.annotate(
             Count(
                 'personal_notes__remarks',
-                filter=Q{personal_notes__remarks__iregex=personal_note_filter.regex),
+                filter=Q(personal_notes__remarks__iregex=personal_note_filter.regex),
                 output_field='personal_notes_with_%s' % personal_note_filter.identifier
             )
         )