add fallback to id

users-events/app/events/stopgap/add_tenant.py

@@ -20,7 +20,8 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
 
     user_layer.update_item(
         key=KeyPair(new_image['sk'], '0'),
-        update_expr='ADD tenant_id :tenant_id SET updated_at = :updated_at',
+        update_expr='ADD tenant_id :tenant_id \
+                     SET updated_at = :updated_at',
         expr_attr_values={
             ':tenant_id': {tenant},
             ':updated_at': now_,

users-events/template.yaml

@@ -242,6 +242,7 @@ Resources:
               detail:
                 new_image:
                   sk:
+                    # Post-migration (users): rename `emails` to `EMAIL`
                     - prefix: emails#
                   mx_record_exists:
                     - exists: false