Fixed read_composite_risk_model
Fixed read_composite_risk_model


Former-commit-id: 303a9ecc5583497898eacc8b327657e60272aef6 [formerly dd90685a8e3e8bc0df668b582ae7a1511d33907a]
Former-commit-id: 6e0235862a4679c2d0a8a4177e3bbb1bedf74dbd
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine