Fixed some style issues
Fixed some style issues


Former-commit-id: 52e866ddff575aa6b3bc305b6516f7a71f8bc0d3 [formerly 52e866ddff575aa6b3bc305b6516f7a71f8bc0d3 [formerly c67883294ca58a799e72d3aedda155b22d1b8178]]
Former-commit-id: 7acdd117ab6ccb00376f725bbd9078abfd52cd37
Former-commit-id: c86298ceaf414ce7d5a79fa979b53c72fe8bc369
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine