The round hook didn't accept ndigits argument. #201

Job	Run time
Test (ubuntu-20.04, 3.8)	31s
Test (macos-latest, 3.8)	52s
Test (windows-latest, 3.8)	1m 53s
Test (ubuntu-20.04, 3.9)	34s
Test (macos-latest, 3.9)	27s
Test (windows-latest, 3.9)	1m 16s
Test (ubuntu-20.04, 3.10)	35s
Test (macos-latest, 3.10)	29s
Test (windows-latest, 3.10)	1m 24s
Test (ubuntu-20.04, 3.11)	32s
Test (macos-latest, 3.11)	30s
Test (windows-latest, 3.11)	1m 41s
Test (ubuntu-20.04, 3.12)	44s
Test (macos-latest, 3.12)	30s
Test (windows-latest, 3.12)	2m 9s
Test (ubuntu-20.04, 3.13-dev)	47s
Test (macos-latest, 3.13-dev)	47s
Test (windows-latest, 3.13-dev)	2m 27s
Test (ubuntu-20.04, pypy-3.8)	42s
Test (windows-latest, pypy-3.8)	1m 36s
Test (ubuntu-20.04, pypy-3.9)	44s
Test (macos-latest, pypy-3.8)	44s
Test (ubuntu-20.04, pypy-3.10)	42s
Test (windows-latest, pypy-3.9)	1m 31s
Test (macos-latest, pypy-3.9)	38s
Test (windows-latest, pypy-3.10)	1m 22s
Test (macos-latest, pypy-3.10)	36s
Build source distribution	7s
Build wheels (3.8+) on ubuntu-20.04 for auto	3m 24s
Build wheels (3.8+) on windows-latest for auto	7m 2s
Build wheels (3.8+) on macos-latest for auto	2m 24s
Build wheels (3.8+) on ubuntu-20.04 for aarch64	7m 39s
Build wheels (3.8+) on macos-latest for arm64	2m 57s
	50m 16s

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