From 1744a2b2fd00cf002d518aad523dd1dd2d571e97 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 29 Apr 2019 21:27:14 +0530
Subject: [PATCH] Micro-optimization

---
 src/polyglot/builtins.py | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/polyglot/builtins.py b/src/polyglot/builtins.py
index 83c17f73a4..aaf122dce8 100644
--- a/src/polyglot/builtins.py
+++ b/src/polyglot/builtins.py
@@ -8,10 +8,7 @@ import sys
 
 is_py3 = sys.version_info.major >= 3
 native_string_type = str
-
-
-def iterkeys(d):
-    return iter(d)
+iterkeys = iter
 
 
 def as_bytes(x, encoding='utf-8'):