From a925fa40535b568a0ef8914503323ca1b33e44c1 Mon Sep 17 00:00:00 2001
From: gopherclass <gopherclass@gmail.com>
Date: Mon, 9 Mar 2020 19:39:39 +0900
Subject: [PATCH] Remove useless parenthesis

---
 viper.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/viper.go b/viper.go
index 823339c..f08e61f 100644
--- a/viper.go
+++ b/viper.go
@@ -1620,8 +1620,8 @@ func (v *Viper) marshalWriter(f afero.File, configType string) error {
 				err := fmt.Errorf("missing key for %s", key)
 				return ConfigMarshalError{err}
 			}
-			sectionName := key[:(lastSep)]
-			keyName := key[(lastSep + 1):]
+			sectionName := key[:lastSep]
+			keyName := key[lastSep+1:]
 			if sectionName == "default" {
 				sectionName = ""
 			}