Speed up testing stage
This MR puts both kpet and skt into the same venv since they now run with python 3. Also, we cache the venv each time to speed up the testing stage.
This MR depends on !90 (merged) to merge first.
This MR puts both kpet and skt into the same venv since they now run with python 3. Also, we cache the venv each time to speed up the testing stage.
This MR depends on !90 (merged) to merge first.