the 'flatten_results' flag is off by default
the 'flatten_results' flag is off by default


Former-commit-id: e197953bfadbea71e498c8f155c898f34e72d897 [formerly d7d0cece7ca446315d7e1e5a4dc1f8aa59663624]
Former-commit-id: 1d767dab117fa75fc336483608d2acdbf077f772
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine