Merge pull request #116 from Tieqiong/pcmt #20

Job	Run time
matrix-coverage / coverage (ubuntu-latest, 3.11)	1m 19s
matrix-coverage / coverage (ubuntu-latest, 3.12)	1m 47s
matrix-coverage / coverage (windows-latest, 3.11)	4m 14s
matrix-coverage / coverage (windows-latest, 3.12)	4m 45s
matrix-coverage / coverage (macos-13, 3.11)	5m 11s
matrix-coverage / coverage (macos-13, 3.12)	3m 19s
matrix-coverage / coverage (macos-14, 3.11)	1m 52s
matrix-coverage / coverage (macos-14, 3.12)	1m 36s
	24m 3s

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