Small cleanup [skip CI]
Small cleanup [skip CI]


Former-commit-id: a11b700aba73129352b9533bab59fb4d859ee5ac [formerly a11b700aba73129352b9533bab59fb4d859ee5ac [formerly c1e079a69da9d2885970a2a80fba5e4e4c3338da]]
Former-commit-id: f325fb694690ee96cc8089a045b689fd43b89714
Former-commit-id: ee5167b168a0c0f35821160116c15282388014c3
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine