Declassed an assert to a warning
Declassed an assert to a warning


Former-commit-id: 7a8fc19ff96fa13d0e8bedcd36770026c0af8a96 [formerly 5370ae21ed4843260f35d5bf4f9e04c000471437] [formerly 5370ae21ed4843260f35d5bf4f9e04c000471437 [formerly 6a11b6f9f136e31d827b5ddc7336d98c1d435293]]
Former-commit-id: 03ca3f01621c13db1511e676b148466147b3c7d1
Former-commit-id: bb0a6765ae8501fa6336763a69cdbee7de788c59
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine