Update GroupRepository.php

Author: gelanivishal

app/code/Magento/Customer/Model/ResourceModel/GroupRepository.php

@@ -155,12 +155,11 @@ public function save(\Magento\Customer\Api\Data\GroupInterface $group)
             ->setId($groupModel->getId())
             ->setCode($groupModel->getCode())
             ->setTaxClassId($groupModel->getTaxClassId())
-            ->setTaxClassName($groupModel->getTaxClassName());
-        
+            ->setTaxClassName($groupModel->getTaxClassName());      
         if ($group->getExtensionAttributes()) {
             $groupDataObject->setExtensionAttributes($group->getExtensionAttributes());
         }
-        
+                
         return $groupDataObject;
     }