update numpy in utils
update numpy in utils


Former-commit-id: 7cc52ce6074a501aa14ef41b4d973781948ca02e
Former-commit-id: 772168b48bb4c088baf81fd7ae96fa6a7f2c8218
dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy