Added a fake num_tiles=1 attribute to the calculator
Added a fake num_tiles=1 attribute to the calculator


Former-commit-id: de0c62de63332bac2aa05b46aebc622aa700b949 [formerly ade1d47765a56d44a77976ed7dc7e60497cec8f7] [formerly ade1d47765a56d44a77976ed7dc7e60497cec8f7 [formerly 995a7750905c157cf1328c7420a1025899ef9dd5]]
Former-commit-id: 008c3f8dd232472fd7f28cb2c90ecd5dcf96a629
Former-commit-id: 39a1fe4cb5915f68d9da961cdf2fee299887a573
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine