Fixed demo [skip hazardlib][demos]
Fixed demo [skip hazardlib][demos]


Former-commit-id: d02aa05f9f5ea79ad5c636dec0cceb5d84767f12 [formerly f2acd04b5386eb5dbab1ffc7d79e003b75678051]
Former-commit-id: 67b767a0c1ae0c913edd63cac59e42e66b39af11
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine