minor fixes
minor fixes


Former-commit-id: 9be2f64422022bb587f54d44e343b4569f2de636 [formerly 5fbae52195aa2d409c044733028533a4ddd2226c]
Former-commit-id: 8e9271cc69f83941837aaef224a9154232fc1d80
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine