minor fixes
minor fixes


Former-commit-id: 383f921f3e3bd4fe027e16cae519eeedfa093abf [formerly 29c003821485c6f3ffba6a70a01112006220b538] [formerly 29c003821485c6f3ffba6a70a01112006220b538 [formerly 946bd493b6ca654df813462af6164b0e2a5d34e8]]
Former-commit-id: 30a725a5ab3fdb2c2648e25a36b95641c4b52704
Former-commit-id: e10305b8ccb768021ad4fa3d93f6936bf834c203
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine