PHP Notice Undefined variable: singles - CraftCMS 3.4.8 / verbb/expanded-singles 1.0.9

SinglesList.php.diff

diff --git a/src/services/SinglesList.php b/src/services/SinglesList.php
index f370c4f..9264778 100755
--- a/src/services/SinglesList.php
+++ b/src/services/SinglesList.php
@@ -155,6 +155,8 @@ JS;
 
         $sites = Craft::$app->getSites()->getAllSites();
 
+        $singles = [];
+
         foreach ($sections as $section) {
             if ($section->type === Section::TYPE_SINGLE) {
                 $sectionSiteSettings = $section->getSiteSettings();