changed utils
changed utils


Former-commit-id: 5830ccebdfe572b768054d9be93ba430f2e3bfce [formerly 96ff83791b0b54d31dc493e0ffb2699ffd9757f4] [formerly c6fded2c010989043d1dcd5b23212cc8c45b8423]
Former-commit-id: fea1a1b662e3d56963a24e3af7957bb27435ba18
Former-commit-id: 9c5f049872c6c3926cfd7e3c2697387635d781af
dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy