tidying code
tidying code


Former-commit-id: e1788893c35f538bad752a5f7f771724ea77ddab [formerly e1788893c35f538bad752a5f7f771724ea77ddab [formerly 6388b9e3cce6b3dcb362d20c3100796f810f6f4d]]
Former-commit-id: 98928f9e86469237c4755c87991c21f2297b5397
Former-commit-id: 6e2fae4d666a70617a14a298516756cba68f8683
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine