Fix migration for empty db

1 files changed, 4 insertions, 1 deletions

diff --git a/archaeological_files/migrations/0010_responsible_town_planning_service_transition.py b/archaeological_files/migrations/0010_responsible_town_planning_service_transition.py
index c43baec7e..4d46518dc 100644
--- a/archaeological_files/migrations/0010_responsible_town_planning_service_transition.py
+++ b/archaeological_files/migrations/0010_responsible_town_planning_service_transition.py
@@ -9,8 +9,11 @@ class Migration(DataMigration):
     def forwards(self, orm):
         DEFAULT_PERSON = orm['auth.User'].objects.order_by('pk').all()[0]
         created, reused = 0, 0
-        person_type = orm['ishtar_common.PersonType'].objects.get(
+        try:
+            person_type = orm['ishtar_common.PersonType'].objects.get(
                                 txt_idx='responsible_planning_service')
+        except:
+            return
         for file in orm['archaeological_files.File'].objects.all():
             if file.responsible_town_planning_service or \
                not file.town_planning_service: