update utils
update utils


Former-commit-id: adb0e8a1b6d27288707be4f5321f1fa3d0a0535a [formerly 665b8b8ab9e1efda21881852be09da8521e518c4] [formerly 8ad33afa9c9a73e1948e9490b97a46db0fd20b7b]
Former-commit-id: 71d0d7c110a82b4e092f0437e8d7e0fdbbd95608
Former-commit-id: b4c1d002b5ecd69897d319f763fea05b660d4dac
dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy