From: INADA Naoki <methane@users.noreply.github.com>
Date: Fri, 6 Jul 2018 23:55:03 +0000 (+0900)
Subject: bpo-23493: json: Change sort_keys in Python encoder same to C (GH-8131)
X-Git-Tag: v3.8.0a1~1423
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e25399b40cd15620e77c9ad2ed24549006ae9b47;p=python

bpo-23493: json: Change sort_keys in Python encoder same to C (GH-8131)

Stop using key=lambda.  This behavior is same to C version encoder.
---

diff --git a/Lib/json/encoder.py b/Lib/json/encoder.py
index fb083ed61b..2d7b8989c7 100644
--- a/Lib/json/encoder.py
+++ b/Lib/json/encoder.py
@@ -350,7 +350,7 @@ def _make_iterencode(markers, _default, _encoder, _indent, _floatstr,
             item_separator = _item_separator
         first = True
         if _sort_keys:
-            items = sorted(dct.items(), key=lambda kv: kv[0])
+            items = sorted(dct.items())
         else:
             items = dct.items()
         for key, value in items: