Small fix [skip hazardlib][demos]
Small fix [skip hazardlib][demos]


Former-commit-id: aa3e4d9b629ea1ac2838271d30310932a17868f4 [formerly d43ffa530c384ee164d0f633e3cd20339c2b8ba1]
Former-commit-id: 6553d6da4c326ee4ff938bda99ff90cec8b189ad
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine