Minor cleanup
Minor cleanup


Former-commit-id: d221a2dc4ab9a6d2cac1f43b772bc111eedd0bfb [formerly f33bf3455bfa6447defff0540f7f71a8901545a5]
Former-commit-id: 2301cffb078f857b8c0bea8060743aac114a4851
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine