Fix [skip hazardlib][demos]
Fix [skip hazardlib][demos]


Former-commit-id: 2ee144245add04c5b1f37e441c5d518ed13ffa60 [formerly 7edaf2e0d085b885796b0b2d23d0e1dcf6b19668]
Former-commit-id: 1d8dc95c583f44fbd00c5a93adde6b4c4117f3ee
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine