I was googling around about the same error and came across this: https://github.com/rg3/youtube-dl/issues/7901
It looks like the same error, and it looks like they think it's fixed in version 2015.12.18.
I was googling around about the same error and came across this: https://github.com/rg3/youtube-dl/issues/7901
It looks like the same error, and it looks like they think it's fixed in version 2015.12.18.