use supo for pip, see https://github.com/travis-ci/travis-ci/issues/1705
use supo for pip, see https://github.com/travis-ci/travis-ci/issues/1705

o2r-project/o2r-muncher,o2r-project/o2r-muncher,nuest/o2r-muncher,o2r-project/o2r-muncher,nuest/o2r-muncher,nuest/o2r-muncher,o2r-project/o2r-muncher,nuest/o2r-muncher,o2r-project/o2r-muncher,nuest/o2r-muncher