Python“NoneType”对象不是可订阅异常

Question

我尝试在Python中使用Pafy库，所以我只是按照文档说明并尝试创建新的Pafy对象：

>>> import pafy
>>> myvid=pafy.new("https://youtu.be/kXYiU_JCYtU")

但我得到的信息是

^{pr2}$

有人知道怎么修理吗？在

Answer 1

如果你有所有的依赖

$ python3 -m venv _venv
$ source _venv/bin/activate
$ pip install pafy
Successfully installed pafy-0.5.4
$ pip install youtube_dl
Successfully installed youtube-dl-2018.3.14
$ pip freeze
pafy==0.5.4
youtube-dl==2018.3.14
$ python
>>> import pafy
>>> url = "https://youtu.be/kXYiU_JCYtU"
>>> myvid=pafy.new(url)
>>> myvid
Title: Numb (Official Video) - Linkin Park
Author: Linkin Park
ID: kXYiU_JCYtU
Duration: 00:03:06
Rating: 4.91022443771
Views: 804098340
Thumbnail: http://i.ytimg.com/vi/kXYiU_JCYtU/default.jpg
>>> exit()
$ deactivate