typo fix

themis/importexport/sync.py

@@ -234,7 +234,7 @@ class SyncFromThemis(UtilityView):
                                 datetime.datetime.strptime(
                                         data.get('date_seance_ou_commission'),
                                         '%Y-%m-%d').toordinal())
-            else
+            else:
                 object.seance_com_date = None
 
             for attr in ('numero_biq', 'numero_document', 'numero_bqr'):