contact: replace ps system call with psutil#4421

Merged

hjoliver merged 2 commits intocylc:masterfrom oliver-sanders:4416

Sep 27, 2021

+391-127

Commits on Sep 23, 2021

Update cylc/flow/prerequisite.py

authored and
oliver-sanders
committed

Commits on Sep 26, 2021

Stop poller fix for restarted workflow.
hjoliver
committed