[issue23493] optimize sort_keys in json module by using operator.itemgetter()

[INADA Naoki]

INADA Naoki <songofacandy at gmail.com> added the comment:


New changeset e25399b40cd15620e77c9ad2ed24549006ae9b47 by INADA Naoki in branch 'master':
bpo-23493: json: Change sort_keys in Python encoder same to C (GH-8131)
https://github.com/python/cpython/commit/e25399b40cd15620e77c9ad2ed24549006ae9b47


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