Fixed a bug in ProbabilityMap.extract
Fixed a bug in ProbabilityMap.extract

gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-hazardlib,rcgee/oq-hazardlib,rcgee/oq-hazardlib,gem/oq-engine,gem/oq-hazardlib,gem/oq-engine,gem/oq-hazardlib