changed utils
changed utils


Former-commit-id: b79ec1da5ada60e37347335bdcf753abcbd6d9fc
Former-commit-id: e4536c56abfa164c5d1e4a73f5ebf1b6520d6ac8
Former-commit-id: 68e2ca65394b3642db2cdff43df772be9a07198e
dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy