Repository: yt-dlp
Issue: For removal (KnownDRM): 6play not working
Labels: DRM,account-needed,site-bug,can-share-account

### Checklist

- [X] I'm reporting a broken site
- [X] I've verified that I'm running yt-dlp version **2021.12.01**. ([update instructions](https://github.com/yt-dlp/yt-dlp#update))
- [X] I've checked that all provided URLs are alive and playable in a browser
- [X] I've checked that all URLs and arguments with special characters are [properly quoted or escaped](https://github.com/ytdl-org/youtube-dl#video-url-contains-an-ampersand-and-im-getting-some-strange-output-1-2839-or-v-is-not-recognized-as-an-internal-or-external-command)
- [X] I've searched the [bugtracker](https://github.com/yt-dlp/yt-dlp/issues?q=) for similar issues including closed ones. DO NOT post duplicates
- [X] I've read the [guidelines for opening an issue](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#opening-an-issue)
- [X] I've read about [sharing account credentials](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#are-you-willing-to-share-account-details-if-needed) and I'm willing to share it if required

### Region

France

### Description

I try to download an M6 (french TV channel) replay but it doesn't seem to work. I also tried with `--cookie-from-browser`.
I let you check the logs.

I think you need an account to view this kind of content. I created this one :
User : kejiwoh698@swsguide.com
Passwd : `xZ(L5SJlV-Et?xY`

Thank you in advance

### Verbose log

```shell
[debug] Command-line config: ['-Uv', '--cookies-from-browser', 'firefox', 'https://www.6play.fr/66-minutes-p_825/cadeaux-louez-vos-jouets-chauffeur-si-tes-champion-noel-coup-de-chaud-chez-le-roi-du-froid-c_12912864']
[Cookies] Extracting cookies from firefox
[debug] Extracting cookies from: "/Users/ackermannd/Library/Application Support/Firefox/Profiles/low04f7u.default-release/cookies.sqlite"
[Cookies] Extracted 1352 cookies from firefox
[debug] Encodings: locale UTF-8, fs utf-8, out utf-8, err utf-8, pref UTF-8
[debug] yt-dlp version 2021.12.01 [91f071af6]
[debug] Python version 3.10.1 (CPython 64bit) - macOS-12.0.1-arm64-arm-64bit
[debug] exe versions: ffmpeg 4.4.1 (setts), ffprobe 4.4.1
[debug] Optional libraries: Cryptodome, mutagen, sqlite, websockets
[debug] Proxy map: {}
Latest version: 2021.12.01, Current version: 2021.12.01
yt-dlp is up to date (2021.12.01)
[debug] [6play] Extracting URL: https://www.6play.fr/66-minutes-p_825/cadeaux-louez-vos-jouets-chauffeur-si-tes-champion-noel-coup-de-chaud-chez-le-roi-du-froid-c_12912864
[6play] 12912864: Downloading JSON metadata
ERROR: [6play] 12912864: No video formats found!; please report this issue on  https://github.com/yt-dlp/yt-dlp . Make sure you are using the latest version; see  https://github.com/yt-dlp/yt-dlp  on how to update. Be sure to call yt-dlp with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "/opt/homebrew/Cellar/yt-dlp/2021.12.1/libexec/lib/python3.10/site-packages/yt_dlp/YoutubeDL.py", line 1329, in wrapper
    return func(self, *args, **kwargs)
  File "/opt/homebrew/Cellar/yt-dlp/2021.12.1/libexec/lib/python3.10/site-packages/yt_dlp/YoutubeDL.py", line 1412, in __extract_info
    return self.process_ie_result(ie_result, download, extra_info)
  File "/opt/homebrew/Cellar/yt-dlp/2021.12.1/libexec/lib/python3.10/site-packages/yt_dlp/YoutubeDL.py", line 1462, in process_ie_result
    ie_result = self.process_video_result(ie_result, download=download)
  File "/opt/homebrew/Cellar/yt-dlp/2021.12.1/libexec/lib/python3.10/site-packages/yt_dlp/YoutubeDL.py", line 2346, in process_video_result
    self.raise_no_formats(info_dict)
  File "/opt/homebrew/Cellar/yt-dlp/2021.12.1/libexec/lib/python3.10/site-packages/yt_dlp/YoutubeDL.py", line 933, in raise_no_formats
    raise ExtractorError(msg, video_id=info['id'], ie=info['extractor'],
yt_dlp.utils.ExtractorError: [6play] 12912864: No video formats found!; please report this issue on  https://github.com/yt-dlp/yt-dlp . Make sure you are using the latest version; see  https://github.com/yt-dlp/yt-dlp  on how to update. Be sure to call yt-dlp with the --verbose flag and include its complete output.
```