From 0625e19f16a434604f9bb50b76baed2ca8889ffc Mon Sep 17 00:00:00 2001
From: Jon Dufresne <jon.dufresne@gmail.com>
Date: Mon, 18 Dec 2017 04:23:11 -0800
Subject: [PATCH] Call str.lower() as a method

More idiomatic Python.

https://github.com/python-ldap/python-ldap/pull/139
---
 Lib/ldap/modlist.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Lib/ldap/modlist.py b/Lib/ldap/modlist.py
index a853500..e1dfe44 100644
--- a/Lib/ldap/modlist.py
+++ b/Lib/ldap/modlist.py
@@ -51,9 +51,9 @@ def modifyModlist(
   modlist = []
   attrtype_lower_map = {}
   for a in old_entry.keys():
-    attrtype_lower_map[str.lower(a)]=a
+    attrtype_lower_map[a.lower()]=a
   for attrtype in new_entry.keys():
-    attrtype_lower = str.lower(attrtype)
+    attrtype_lower = attrtype.lower()
     if attrtype_lower in ignore_attr_types:
       # This attribute type is ignored
       continue