Fixed a couple of pylint violations
Fixed a couple of pylint violations


Former-commit-id: 1cac615677b4c2ed914235c5b1aa0c3ee93871fd [formerly 9388be327e3ff74636d0165df525ca2d3f2cafa7]
Former-commit-id: e3ef528a6ffcc0669c94a286708eafb712d2db66
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine