From 93c0bb7eff2dde0debc83cb02d24c104d886d8a6 Mon Sep 17 00:00:00 2001
From: mageprince <7pprince@gmail.com>
Date: Tue, 17 Jul 2018 15:12:18 +0530
Subject: [PATCH] Update Tax.php

---
 app/code/Magento/Tax/Block/Sales/Order/Tax.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/code/Magento/Tax/Block/Sales/Order/Tax.php b/app/code/Magento/Tax/Block/Sales/Order/Tax.php
index 94e5b972db121..2ea0bcddea14e 100644
--- a/app/code/Magento/Tax/Block/Sales/Order/Tax.php
+++ b/app/code/Magento/Tax/Block/Sales/Order/Tax.php
@@ -260,11 +260,11 @@ protected function _initShipping()
     }
 
     /**
-     * @return null
+     * @return void
      */
     protected function _initDiscount()
     {
-        return null;
+        return;
     }
 
     /**