fixed nits per review
fixed nits per review


Former-commit-id: bb9dce43fc76c609df0968e05770b7fa07a92fd1 [formerly 81d754322f3a32a6cd335faa17b667b336303d11]
Former-commit-id: 63dddaa7419a032b7259d76adf7beead0790d6e9
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine