[ustream] highlights generate warnings when downloading channel

[tewe]

Downloading a whole channel will throw errors when videos have highlights. Everything downloads as it should, but users may be confused.

[phihag]

Can you post the output you get when using the -v option? That allows us to reproduce and fix the issue.

[tewe]

Just have to filter out commas in re.findall(r'data-content-id="(\d.*)"'. I wrote the channel parser ;)

[phihag]

But we cannot test that unless we get a URL that demonstrates the problem. Please, provide one.