Fixed doctest
Fixed doctest


Former-commit-id: 4725410bcf2a9cc1ec01d42d3ed8e48f40ca1fee [formerly dbc3a668ebebd3ef99f204214840b0cbb164679b]
Former-commit-id: 99f01d53faec4d46b78593cb5afec4ea476ec790
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine