Fixed an issue which was causing risk calculators to break (classical, for example).
Fixed an issue which was causing risk calculators to break (classical, for example).


Former-commit-id: 202225232d513be4f9464e1daf7c9db37f5cc61b
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine