Fix #6

Merged n-nitta merged 5 commits into nitta-lab:master from nitta-lab:fix on 14 Dec 2018
2018-12-13
ローカル変数名の修正. ...
r-isitani committed on 13 Dec 2018
2018-12-11
確認用のprint文を削除.
r-isitani committed on 11 Dec 2018