Update how to setup pip environment (#1017)
Update how to setup pip environment (#1017)

Co-authored-by: Pau Ruiz i Safont <687ad0caa989c250f56921b908a4485c8168835a@gmail.com>
Co-authored-by: Michael R. Crusoe <6a445791c123718cece452fd92cffbcd67986b0a@users.noreply.github.com>
common-workflow-language/cwltool,common-workflow-language/cwltool,common-workflow-language/cwltool