[FIX] remove assert require
[FIX] remove assert require

oskarflordal/node-word2vec,binarymax/node-word2vec,Planeshifter/node-word2vec,oskarflordal/node-word2vec,binarymax/node-word2vec,Planeshifter/node-word2vec,oskarflordal/node-word2vec,Planeshifter/node-word2vec,binarymax/node-word2vec