fix lint error

src/TwillUtil.php

@@ -144,12 +144,10 @@ public function syncUsingPrimaryKey(BelongsToMany $relation, $ids, $detaching =
                     $this->attach($id, $attributes, false);
 
                     $changes['attached'][] = $this->castKey($id);
-                }
-
-                // Now we'll try to update an existing pivot record with the attributes that were
-                // given to the method. If the model is actually updated we will add it to the
-                // list of updated pivot records so we return them back out to the consumer.
-                elseif (count($attributes) > 0) {
+                } elseif (count($attributes) > 0) {
+                    // Now we'll try to update an existing pivot record with the attributes that were
+                    // given to the method. If the model is actually updated we will add it to the
+                    // list of updated pivot records so we return them back out to the consumer.
                     if ($this->hasPivotColumn($this->updatedAt())) {
                         $attributes = $this->addTimestampsToAttachment($attributes, true);
                     }