changed utils
changed utils


Former-commit-id: 08f050192b35902fbb4b551f6350a39646feb315
Former-commit-id: a4691f9987cf6ce0aa9d7652817c2a972f2d0370
Former-commit-id: 08864958061f12d6d7f30456bded5d16d8bc7597
dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy