Fixed bug with celery [skip CI]
Fixed bug with celery [skip CI]


Former-commit-id: b3c79e8e2ff2d11cfbb3da55cccf90b26121f228 [formerly b3c79e8e2ff2d11cfbb3da55cccf90b26121f228 [formerly 212b98b7a4c1db3bf9a7843d8202f33727ea33ed]]
Former-commit-id: fc9a3e1ceae667c074c7f8868f4bd958e0a2ac75
Former-commit-id: eaebd96407de923a4897357b669728ca17c59fd9
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine