Restored tasks.py as it was
Restored tasks.py as it was


Former-commit-id: 7833810f2edfab7d210f0b75d5c948809eae18cf [formerly 52f35f030d0acd2a07ef23c89e5180a040b4cfdc]
Former-commit-id: 74b29389a7443f544193ffdbacef3bb62b6ffe2b
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine