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


Former-commit-id: 61387c34b954732d87d4bdecd02e69223fc5a66e [formerly 554e3b7d86c763b552365f8976e8ffbc1f9dd7ca]
Former-commit-id: 91747e69afa79891fef76aebfdad2d36a1a562cd
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine