Fixed a Python 2 bug
Fixed a Python 2 bug


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