fix code style

Author: Raphael Petrini

app/code/Magento/Eav/Model/Entity/Collection/AbstractCollection.php

@@ -1175,11 +1175,11 @@ public function _loadAttributes($printQuery = false, $logQuery = false)
         foreach ($selectGroups as $selects) {
             if (!empty($selects)) {
                 try {
-                    if (is_array($selects))
-                    {
+                    if (is_array($selects)) {
                         $select = implode(' UNION ALL ', $selects);
+                    } else {
+                        $select = $selects;
                     }
-                    else $select = $selects;
                     $values = $this->getConnection()->fetchAll($select);
                 } catch (\Exception $e) {
                     $this->printLogQuery(true, true, $select);