Avoid sending unneeded subtask
Avoid sending unneeded subtask


Former-commit-id: aec70e63619f3db4dbf60fb8a4ae27bbc337a896 [formerly 5d2d1beb0aeac61064f5e5c9b1d3d4cc296d35ba]
Former-commit-id: 59ef43706596328731db82833a69962bd80b8b06
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine