Style fix.
Style fix.


Former-commit-id: f82d650a7fe9e66bd30f7bb548f3c75b7369d297 [formerly f82d650a7fe9e66bd30f7bb548f3c75b7369d297 [formerly 1736a40ce8202bcc65b9ec88dcc8bea2a3a93a69]]
Former-commit-id: e7ab2aa3e14bc8610d79a32ab15e1b4d34d825e7
Former-commit-id: 44b2382d6a5d3efaee5551cb1843c2c472a20bfa
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine