Used numpy.random.random instead of random.Random
Used numpy.random.random instead of random.Random


Former-commit-id: 938a83940fc55665231f4b1d432876a38642238f [formerly 938a83940fc55665231f4b1d432876a38642238f [formerly fa24cf228db4f1305d74d7530e0be5fa24fd6144]]
Former-commit-id: b49333a7159c0a3a3497537c823161a6534d9610
Former-commit-id: 2c81ebdec7739d6bbeb552c789e2bebed73ea276
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine