Merge pull request #3119 from jsiirola/rangeset-len-fix #423

Job	Run time
linux/3.8/bare-env	11s
lint/style-and-typos	48s
linux/3.12	16m 25s
osx/3.10	18m 53s
win/3.9	40m 44s
linux/3.11/conda	19m 12s
linux/3.9/mpi	9m 35s
linux/3.10/cython	19m 11s
win/3.8/pip	29m 1s
process-coverage-${{ matrix.TARGET }}	0s
	2h 34m 0s

Provide feedback