Added a forgotten stringio.reset()
Added a forgotten stringio.reset()


Former-commit-id: feec8c73bf8101f11fc34bc909824097d2919797 [formerly feec8c73bf8101f11fc34bc909824097d2919797 [formerly 4501c1a6a47563fb4704f799a486a325c055bf55]]
Former-commit-id: 377aa0724fe618d6c45cf4ff3aef7186ad1d2ec5
Former-commit-id: 112465872fbc653857c3eb37f492258fbf7cda87
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine