Failed to parse JSON on thisoldhouse.com

[sjthespian]

Checklist

• I'm reporting a broken site support
• I've verified that I'm running youtube-dl version 2021.01.24.1
• 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

> youtube-dl -v --cookies cookies.txt -o 'Ask This Old House S19E12 %(title)s.%(ext)s' 'https://www.thisoldhouse.com/season-19-ask-toh/22242923/s19-e12-radiator-paint-load-bearing-wall'
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', '--cookies', 'cookies.txt', '-o', 'Ask This Old House S19E12 %(title)s.%(ext)s', 'https://www.thisoldhouse.com/season-19-ask-toh/22242923/s19-e12-radiator-paint-load-bearing-wall']
[debug] Encodings: locale UTF-8, fs utf-8, out utf-8, pref UTF-8
[debug] youtube-dl version 2021.01.24.1
[debug] Python version 3.9.1 (CPython) - macOS-11.1-x86_64-i386-64bit
[debug] exe versions: ffmpeg 4.3.1, ffprobe 4.3.1, rtmpdump 2.4
[debug] Proxy map: {}
[ThisOldHouse] s19-e12-radiator-paint-load-bearing-wall: Downloading webpage
[Zype] 6009cf51e32d650001fc4663: Downloading JSON metadata
ERROR: 6009cf51e32d650001fc4663: Failed to parse JSON  (caused by JSONDecodeError("Expecting ',' delimiter: line 8 column 59 (char 300)")); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "/usr/local/Cellar/youtube-dl/2021.1.24.1/libexec/lib/python3.9/site-packages/youtube_dl/extractor/common.py", line 904, in _parse_json
    return json.loads(json_string)
  File "/usr/local/Cellar/python@3.9/3.9.1_6/Frameworks/Python.framework/Versions/3.9/lib/python3.9/json/__init__.py", line 346, in loads
    return _default_decoder.decode(s)
  File "/usr/local/Cellar/python@3.9/3.9.1_6/Frameworks/Python.framework/Versions/3.9/lib/python3.9/json/decoder.py", line 337, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/usr/local/Cellar/python@3.9/3.9.1_6/Frameworks/Python.framework/Versions/3.9/lib/python3.9/json/decoder.py", line 353, in raw_decode
    obj, end = self.scan_once(s, idx)
json.decoder.JSONDecodeError: Expecting ',' delimiter: line 8 column 59 (char 300)
Traceback (most recent call last):
  File "/usr/local/Cellar/youtube-dl/2021.1.24.1/libexec/lib/python3.9/site-packages/youtube_dl/extractor/common.py", line 904, in _parse_json
    return json.loads(json_string)
  File "/usr/local/Cellar/python@3.9/3.9.1_6/Frameworks/Python.framework/Versions/3.9/lib/python3.9/json/__init__.py", line 346, in loads
    return _default_decoder.decode(s)
  File "/usr/local/Cellar/python@3.9/3.9.1_6/Frameworks/Python.framework/Versions/3.9/lib/python3.9/json/decoder.py", line 337, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/usr/local/Cellar/python@3.9/3.9.1_6/Frameworks/Python.framework/Versions/3.9/lib/python3.9/json/decoder.py", line 353, in raw_decode
    obj, end = self.scan_once(s, idx)
json.decoder.JSONDecodeError: Expecting ',' delimiter: line 8 column 59 (char 300)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/Cellar/youtube-dl/2021.1.24.1/libexec/lib/python3.9/site-packages/youtube_dl/YoutubeDL.py", line 806, in wrapper
    return func(self, *args, **kwargs)
  File "/usr/local/Cellar/youtube-dl/2021.1.24.1/libexec/lib/python3.9/site-packages/youtube_dl/YoutubeDL.py", line 827, in __extract_info
    ie_result = ie.extract(url)
  File "/usr/local/Cellar/youtube-dl/2021.1.24.1/libexec/lib/python3.9/site-packages/youtube_dl/extractor/common.py", line 532, in extract
    ie_result = self._real_extract(url)
  File "/usr/local/Cellar/youtube-dl/2021.1.24.1/libexec/lib/python3.9/site-packages/youtube_dl/extractor/zype.py", line 90, in _real_extract
    source = self._parse_json(self._search_regex(
  File "/usr/local/Cellar/youtube-dl/2021.1.24.1/libexec/lib/python3.9/site-packages/youtube_dl/extractor/common.py", line 908, in _parse_json
    raise ExtractorError(errmsg, cause=ve)
youtube_dl.utils.ExtractorError: 6009cf51e32d650001fc4663: Failed to parse JSON  (caused by JSONDecodeError("Expecting ',' delimiter: line 8 column 59 (char 300)")); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.```


## Description

It looks like thisoldhouse.com has broken things with youtube-dl yet again. The videos play correctly in the browser, but throw the above JSON parsing error when I attempt to download them. 

They also recently changed their embedded player, making it tough to find the actual video URL by inspecting the page, so I haven't even found way to download the stream and bypass the parsing error yet.