pep8
pep8


Former-commit-id: 45bb562406003caf5a07eb9f34678105e9e1560b [formerly 087ed21a0865bb7e5c02cb5c44b8c8a4f64d4126]
Former-commit-id: 617e17a90df606e52b56181d1731210b95eb8c88
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine