Fixed a very subtle initialization bug breaking risk/event_based/core_test.py
Fixed a very subtle initialization bug breaking risk/event_based/core_test.py


Former-commit-id: 6a949f6ded76b54fec1a39bf49f36429b2d066a2 [formerly 6a949f6ded76b54fec1a39bf49f36429b2d066a2 [formerly 62d1a9cef29eff3552e1349b19e7d20dde34f1a4]]
Former-commit-id: 7e2b947ae7d9aa6a3d57906b3920a48c3616331c
Former-commit-id: b16ea7023f720a0eb7d5a4cb52dd218d612b86b5
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine