Fix JSONDecodeError on get_channel from EU countries

[twissell-]

This fixes #36

More info here.

[Nutzer123]

hey,
it looks like there is an smarter way - i checked this for the videos

def get_initial_data(session: requests.Session, url: str) -> str:
    url = url+"&ucbcb=1"
    response = session.get(url)
    html = response.text
    return html

[twissell-]

Hey @Nutzer123!

I certainly prefer your fix better. I've implemented it into this PR, but I've changed how the parameter is passed to the request.

Thanks!

[dermasmid]

thanks for this @twissell- and @Nutzer123