unassign change set if it is rejected
@@ -642,6 +642,7 @@ class ChangeSet(models.Model):
def reject(self, user, comment: str, final: bool):
state = 'finallyrejected' if final else 'rejected'
+ self.assigned_to = None
update = self.updates.create(user=user, state=state, comment=comment)
self.state = state
self.last_state_update = update
