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.
2018-07-07 08:55:03 +09:00 · 2018-07-07 08:55:03 +09:00 · e25399b40c
parent 0b75228700
commit e25399b40c
1 changed files with 1 additions and 1 deletions
--- 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: