Merge pull request #19520 from WeiChungChang:refine
authorAlexander Alekhin <alexander.a.alekhin@gmail.com>
Sat, 13 Feb 2021 18:18:11 +0000 (18:18 +0000)
committerAlexander Alekhin <alexander.a.alekhin@gmail.com>
Sat, 13 Feb 2021 18:18:12 +0000 (18:18 +0000)

Trivial merge