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


Former-commit-id: c68694bcd490f1d020361793e9cbad872ff519d6 [formerly ad45e75089992928cc349e537fa47f0a6eaa1550]
Former-commit-id: 76f5a85acc7c4f05d7b3e5eafa5309b0edd083b3
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine