before usinng "python -m unidic download" in your python env "python" olse adjust your env like "pytho3"

The modern Japanese UniDic is available under the GPL, LGPL, or BSD license, see here. UniDic is developed by NINJAL, the National Institute for Japanese Language and Linguistics. UniDic is copyrighted by the UniDic Consortium and is distributed here under the terms of the BSD License.

The code in this repository is not written or maintained by NINJAL. The code is available under the MIT or WTFPL License, as you prefer.