Changed the CompositeSourceModel.get_weight [skip hazardlib]
Changed the CompositeSourceModel.get_weight [skip hazardlib]


Former-commit-id: 33084726c1b2451e3c6eab5d6418d031a29e45f6 [formerly dcc0104172a6624191454df20223fae75b9486d3] [formerly dcc0104172a6624191454df20223fae75b9486d3 [formerly af7b52c914efa08d887d722896653353bc13177a]]
Former-commit-id: 97b4d6a855a6c270eca40c83f00cbb09af71c153
Former-commit-id: 080dc5583081c6652d63c3efb11f3cecbc0baf97
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine