Fixed a Python 2 bug
Fixed a Python 2 bug


Former-commit-id: 401e463e07be1c8afc33d3af6056e66a3dad7587 [formerly ffcc81e3f55294d1ed4ed77af5661155217c617f] [formerly ffcc81e3f55294d1ed4ed77af5661155217c617f [formerly a8fa337e399fd24f0dbf710ccacf0d82aa93b7bf]]
Former-commit-id: 71d642f73e15ceacbe796795df27a2cc4532b85a
Former-commit-id: f7477563e1a8cd7b6d6384eb1b91133720932aba
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine