Blame for vocab.json

{
  "<pad>": 0,
  "<s>": 1,
  "</s>": 2,
  "<unk>": 3,
  "0": 4,
  "1": 5,
  "2": 6,
  "3": 7,
  "4": 8,
  "5": 9,
  "6": 10,
  "7": 11,
  "8": 12,
  "9": 13,
  "+": 14,
  "-": 15,
  "*": 16,
  "/": 17,
  "(": 18,
  ")": 19,
  "=": 20,
  ".": 21,
  " ": 22
}