Small cleanup
Small cleanup


Former-commit-id: 0f459e2f76ceb5e72686187df04e364a67c4457e [formerly f84daafa5b0956f98f5e69db64d573addf850938]
Former-commit-id: 4c46acebf7b681038da90977b73421b23ff5f4d2
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine