action: py35, msg: getenv cwd: /home/zuul/src/opendev.org/zuul/zuul-jobs/.tox cmd: /usr/bin/python2 -m virtualenv --no-download --python /usr/bin/python3 py35 Already using interpreter /usr/bin/python3 Using base prefix '/usr' New python executable in /home/zuul/src/opendev.org/zuul/zuul-jobs/.tox/py35/bin/python3 Also creating executable in /home/zuul/src/opendev.org/zuul/zuul-jobs/.tox/py35/bin/python Please make sure you remove any previous custom paths from your /home/zuul/.pydistutils.cfg file. Installing setuptools, pip, wheel... done. Running virtualenv with interpreter /usr/bin/python3