Added an empty .bb_dict attribute
Added an empty .bb_dict attribute


Former-commit-id: 591d1f8a19abed9d1d085d5d6359aaf3f2901cde [formerly 75cbde7094d82d082802b50415eed14335a43a9d]
Former-commit-id: 6f57e80febe434b0d8a6f383ba67e4dbe08030f7
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine