Make importer more robust, fixing problem with person appearing multiple times

 - Legacy-Id: 3326

Author: OleLaursen

redesign/importing/import-announcements.py

@@ -81,7 +81,7 @@
 
     if o.nomcom:
         nomcom = Group.objects.filter(role__name="chair",
-                                      role__email__person__id=o.nomcom_chair.person.pk,
+                                      role__email__person=old_person_to_person(o.nomcom_chair.person),
                                       acronym__startswith="nomcom").exclude(acronym="nomcom").get()
 
         message.related_groups.add(nomcom)