likes and dislikes are not working

[upenderrreddy]

video.likes and video.dislikes is returning None

[Danyalm66]

The issue was opened #25977. And the solution suggested by RomanEmelyanov works like a charm.
Here is the most recent code after editing youtube.py

>>> import pafy
>>> vid = pafy.new('https://www.youtube.com/watch?v=dvGI9PbJp3A')
>>> vid.likes
4285
>>> vid.dislikes
78