Replace virtual with venv module

Author: nzlosh

scripts/github/install-virtualenv.sh

@@ -6,15 +6,15 @@ set -e
 # Note: Use --user to avoid polluting system site-packages (which breaks one of our tests)
 # TODO: simplify this once fixed in contrib/runners/python_runner/tests/integration/test_pythonrunner_behavior.py
 if [[ ! -f ~/virtualenv/bin/virtualenv ]]; then  # use the cached version whenever possible
-  pip install --user --upgrade --force-reinstall "$(grep "^virtualenv" fixed-requirements.txt)"
+#  pip install --user --upgrade --force-reinstall "$(grep "^virtualenv" fixed-requirements.txt)"
   python3 -m venv ~/virtualenv
-  ~/virtualenv/bin/pip install --upgrade --force-reinstall "$(grep "^virtualenv" fixed-requirements.txt)"
+#  ~/virtualenv/bin/pip install --upgrade --force-reinstall "$(grep "^virtualenv" fixed-requirements.txt)"
   # drop the --user install virtualenv to prevent polluting tests
   pip freeze --user | xargs pip uninstall -y
 fi
 
 mkdir -p ~/.local/bin
 ln -s ~/virtualenv/bin/virtualenv ~/.local/bin/virtualenv
 
-command -v virtualenv
-virtualenv --version
+#command -v virtualenv
+#virtualenv --version