message: Use str join in nearest to validation word
diff: @@ -292,10 +292,8 @@ def word2vec_basic(log_dir):
  top_k = 8 # number of nearest neighbors
  nearest = (-sim[i, :]).argsort()[1:top_k + 1]
  log_str = 'Nearest to %s:' % valid_word
  - for k in xrange(top_k):
  - close_word = reverse_dictionary[nearest[k]]
  - log_str = '%s %s,' % (log_str, close_word)
  - print(log_str)
  +
  + print(log_str, ', '.join(reverse_dictionary[nearest[k]] for k in range(top_k)))
  final_embeddings = normalized_embeddings.eval()
  # Write corresponding labels for the embeddings.
  