Minor cleanup
Minor cleanup


Former-commit-id: 7aad75540a843ff9ef28dda026fecfa104c21b7c [formerly 5ec973df8a89ffe5931c2035b11548724a08af2f]
Former-commit-id: 2c5bcbecde968aede0c95d6dfca18929eb590faa
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine