changed utils
changed utils


Former-commit-id: 067f190da33ab3f55d6b622e3121dd8b4bda2346
Former-commit-id: 82c82999a8dbe1993959bb7ec3314310d2766e46
Former-commit-id: 5830d0f7f16c6d15f83ef4f0c3148fb94b754c5b
dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy