diff --git a/django/contatti_app/drilldown_autocomplete.py b/django/contatti_app/drilldown_autocomplete.py
index 599a6cc..e39c257 100644
--- a/django/contatti_app/drilldown_autocomplete.py
+++ b/django/contatti_app/drilldown_autocomplete.py
@@ -134,9 +134,10 @@ class DrillDownAutocompleteModelAdmin(admin.options.BaseModelAdmin):
         if "widget" not in kwargs:
             daf = self.get_drilldown_autocomplete_fields(request)
             if db_field.name in daf:
-                attrs = {
-                    "data-linkedfields": json.dumps(list(daf[db_field.name]['linked'].keys())), }
-                if daf[db_field.name].get('included_only',False):
+                attrs = {}
+                attrs["data-linkedfields"] = json.dumps(
+                    list(daf[db_field.name]['linked'].keys()))
+                if daf[db_field.name].get('included_only', False):
                     attrs['data-included_only'] = 1
                 kwargs["widget"] = DrillDownAutocompleteSelect(
                     db_field, self.admin_site, attrs=attrs, using=db