graph bug fix
graph bug fix

smelukov/basisjs,fateevv/basisjs,istrel/basisjs,tyanas/basisjs,fateevv/basisjs,istrel/basisjs,istrel/basisjs,fateevv/basisjs,smelukov/basisjs,tyanas/basisjs,smelukov/basisjs,tyanas/basisjs,basisjs/basisjs,basisjs/basisjs,basisjs/basisjs