Fixed a Python 3 bug
Fixed a Python 3 bug


Former-commit-id: b79e7de07f1a1ffdc6aa5299d5b2750b48ea40f9 [formerly 896b9373d53b113c05f70a55cc1c7d0c35c20caf] [formerly 896b9373d53b113c05f70a55cc1c7d0c35c20caf [formerly a25186598ca1788d4237aede75927913c548cfec]]
Former-commit-id: 5b017f75363272953282b9f3f102a67178329029
Former-commit-id: 24c08aa236a418ef1d264a7c32ac846511de7dd6
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine