Merge pull request #3042 from HFabi/feature/issue-3041

Issue-3041 - Install pip for python version specified by argument in dev_setup

dev_setup.sh

@@ -460,7 +460,7 @@ function install_venv() {
     # Force version of pip for reproducability, but there is nothing special
     # about this version.  Update whenever a new version is released and
     # verified functional.
-    curl https://bootstrap.pypa.io/get-pip.py | "${VIRTUALENV_ROOT}/bin/python" - 'pip==20.0.2'
+    curl https://bootstrap.pypa.io/get-pip.py | "${VIRTUALENV_ROOT}/bin/${opt_python}" - 'pip==20.0.2'
     # Function status depending on if pip exists
     [[ -x ${VIRTUALENV_ROOT}/bin/pip ]]
 }