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compat: rename update() to _update() to make room for a new update() stable
Fri, 02 Oct 2020 09:51:45 -0700, by Martin von Zweigbergk
tests: use appropriate Python (2 or 3) for json.tool
Sun, 25 Oct 2020 21:38:37 +0800, by Anton Shestakov
tests: use appropriate Python (2 or 3) for random-revs.py
Sat, 24 Oct 2020 23:55:15 +0800, by Anton Shestakov

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