Fixed buggy delete_calculation
Fixed buggy delete_calculation


Former-commit-id: ea120f57755066eea998e04c46fc4b05fdbeb088 [formerly e096feed8b56c4c6c05ada61632515eeaeca1339] [formerly e096feed8b56c4c6c05ada61632515eeaeca1339 [formerly ab6bfda11a3e3f6d2ed6e5dd61aef8e6eb877ea3]]
Former-commit-id: 6e5f750659a7748d92a0eeefd817880050d1ea4b
Former-commit-id: 52f958129d1fd6aff1852ca656eed7a190504ad1
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine