fix getting metadata
fix getting metadata


Former-commit-id: a7dca372a8071d40b3507d9d5775f3cf50ae63f6 [formerly 3a4ae7d6bff396c708cee7529334a2faa47d732f] [formerly 3a4ae7d6bff396c708cee7529334a2faa47d732f [formerly 96adeea98358e233180a3033865f302e73619592]]
Former-commit-id: 7f66abcb46306671bf04a4956ebba1bbffdafd66
Former-commit-id: c35b63dd99b3e15e49e10eafe225bc05ce039268
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine