Commented some code [skip CI]
Commented some code [skip CI]


Former-commit-id: 70effb60f792854e3e2d070da5f6847ae3ee2612 [formerly 6887b19954fe119ca77b11ac4412d0f7862dbdd8] [formerly 6887b19954fe119ca77b11ac4412d0f7862dbdd8 [formerly 2698ebcd12baf5ceecf9f15da9fd0202468f3783]]
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Former-commit-id: 1a62476b2b8691458e4c6f9d108956bbe8630e59
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine