Fixed doctest
Fixed doctest


Former-commit-id: 805360ca39185e4d65e5ce1c901f3d3df88e1321 [formerly bbc1a6347a660e1fddf37181858a59fabd2df308]
Former-commit-id: 20a138bc0923e2a06fca15f5e61c567776d2fd77
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine