Fixed the investigation_time again
Fixed the investigation_time again


Former-commit-id: aa25b993b22276bcf34397f2d4f3b82e3a16c4c4 [formerly 52eb4b9bc4d64fc0e77c9107d8e204893c435d6e]
Former-commit-id: 38733e5b42406f837961156410c43449c76bb180
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine