Fix groupid when seed has unicode data
Fix groupid when seed has unicode data

sisinflab-swot/physical-semantic-web,cco3/physical-web,MaTriXy/physical-web,dinhviethoa/physical-web,dinhviethoa/physical-web,keremgocen/physical-web,nondebug/physical-web,google/physical-web,nondebug/physical-web,MaTriXy/physical-web,MaTriXy/physical-web,google/physical-web,google/physical-web,sisinflab-swot/physical-semantic-web,nondebug/physical-web,dinhviethoa/physical-web,cco3/physical-web,keremgocen/physical-web,keremgocen/physical-web,keremgocen/physical-web,cco3/physical-web,MaTriXy/physical-web,google/physical-web,cco3/physical-web,dinhviethoa/physical-web,nondebug/physical-web,google/physical-web