diff --git a/src/Table.php b/src/Table.php
index b26a656..41bf9a1 100644
--- a/src/Table.php
+++ b/src/Table.php
@@ -179,7 +179,7 @@ public function groupBy(string|int $field): Table
         foreach ($this->rows as $value) {
             $property = $value->get($field);
             $property = $this->castVariableForStrval($property);
-            
+
             if (!$property
                 || array_key_exists(strval($property), $result)) {
                 continue;