行って derivation is missing 行く base

[samy38]

行って derivation is missing 行く base :

const Conjugator = require('jp-verbs');

let result = Conjugator.unconjugate('行って');
console.log(JSON.stringify(result, null, 2));


=>
[
  {
    "base": "行う",
    "derivationPath": [
      "て・で Form"
    ],
    "currentDerivationSequence": [
      "行う",
      "行って"
    ]
  },
  {
    "base": "行る",
    "derivationPath": [
      "て・で Form"
    ],
    "currentDerivationSequence": [
      "行る",
      "行って"
    ]
  },
  {
    "base": "行う",
    "derivationPath": [
      "て・で Form"
    ],
    "currentDerivationSequence": [
      "行う",
      "行って"
    ]
  },
  {
    "base": "行る",
    "derivationPath": [
      "て・で Form"
    ],
    "currentDerivationSequence": [
      "行る",
      "行って"
    ]
  },
  {
    "base": "行う",
    "derivationPath": [
      "て・で Form",
      "ている・でいる Continuing State/Result",
      "ます Stem"
    ],
    "currentDerivationSequence": [
      "行う",
      "行って",
      "行ってる",
      "行って"
    ]
  },
  {
    "base": "行る",
    "derivationPath": [
      "て・で Form",
      "ている・でいる Continuing State/Result",
      "ます Stem"
    ],
    "currentDerivationSequence": [
      "行る",
      "行って",
      "行ってる",
      "行って"
    ]
  },
  {
    "base": "行う",
    "derivationPath": [
      "て・で Form",
      "ている・でいる Continuing State/Result",
      "ます Stem"
    ],
    "currentDerivationSequence": [
      "行う",
      "行って",
      "行ってる",
      "行って"
    ]
  },
  {
    "base": "行る",
    "derivationPath": [
      "て・で Form",
      "ている・でいる Continuing State/Result",
      "ます Stem"
    ],
    "currentDerivationSequence": [
      "行る",
      "行って",
      "行ってる",
      "行って"
    ]
  }
]