more equality

shiftregister/fallback/models.py

@@ -84,9 +84,10 @@ class TeamMember(models.Model):
                         distinct=True,
                         filter=Q(fallback_shifts__id__in=canidate_shift_ids),
                     ),
+                    overall_fallback_count=Count("fallback_shifts"),
                 )
                 .exclude(pk=self.pk)
-                .order_by("-relevant_fallback_count", "?")
+                .order_by("-relevant_fallback_count", "-overall_fallback_count", "?")
             )
             assignment = False
             for member in sorted_members: