HBO-GO gives "Unsupported URL" using Chernobyl S01E01 link for test

[hak8or]

Checklist

• I'm reporting a broken site support
• I've verified that I'm running youtube-dl version 2019.04.30
• I've checked that all provided URLs are alive and playable in a browser
• I've checked that all URLs and arguments with special characters are properly quoted or escaped
• I've searched the bugtracker for similar issues including closed ones

Verbose log

➜ ./ytdl -v 'https://play.hbonow.com/episode/urn:hbo:episode:GXJvkfwo4W4G6gAEAAAIq'
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', 'https://play.hbonow.com/episode/urn:hbo:episode:GXJvkfwo4W4G6gAEAAAIq']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2019.04.30
[debug] Python version 3.7.3 (CPython) - Linux-5.0.11-arch1-1-ARCH-x86_64-with-arch
[debug] exe versions: ffmpeg 4.1.3, ffprobe 4.1.3, rtmpdump 2.4
[debug] Proxy map: {}
[generic] urn:hbo:episode:GXJvkfwo4W4G6gAEAAAIq: Requesting header
WARNING: Falling back on generic information extractor.
[generic] urn:hbo:episode:GXJvkfwo4W4G6gAEAAAIq: Downloading webpage
[generic] urn:hbo:episode:GXJvkfwo4W4G6gAEAAAIq: Extracting information
ERROR: Unsupported URL: https://play.hbonow.com/episode/urn:hbo:episode:GXJvkfwo4W4G6gAEAAAIq
Traceback (most recent call last):
  File "./ytdl/youtube_dl/YoutubeDL.py", line 796, in extract_info
    ie_result = ie.extract(url)
  File "./ytdl/youtube_dl/extractor/common.py", line 529, in extract
    ie_result = self._real_extract(url)
  File "./ytdl/youtube_dl/extractor/generic.py", line 3320, in _real_extract
    raise UnsupportedError(url)
youtube_dl.utils.UnsupportedError: Unsupported URL: https://play.hbonow.com/episode/urn:hbo:episode:GXJvkfwo4W4G6gAEAAAIq

Description

It seems youtube-dl does not work for the HBO-NOW website. I am using the latest Chernobyl episode (S01E01), which works fine in firefox. It seems #15739 was an attempt to fix HBO support, but I guess HBO changed the URL scheme again?