[https://www.franceinter.fr] WARNING: unable to extract upload date

[kekbait]

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Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2017.12.14. If it's not, read this FAQ entry and update. Issues with outdated version will be rejected.

• I've verified and I assure that I'm running youtube-dl 2017.12.14

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• At least skimmed through the README, most notably the FAQ and BUGS sections
• Searched the bugtracker for similar issues including closed ones

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• Bug report (encountered problems with youtube-dl)
• Site support request (request for adding support for a new site)
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youtube-dl-mp3 "https://www.franceinter.fr/emissions/les-concerts-d-inter/les-concerts-d-inter-14-decembre-2017"
[FranceInter] les-concerts-d-inter/les-concerts-d-inter-14-decembre-2017: Downloading webpage
WARNING: unable to extract upload date; 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.

[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'-v']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2017.12.14
[debug] Python version 2.7.12 - Linux-4.4.0-103-generic-x86_64-with-Ubuntu-16.04-xenial
[debug] exe versions: avconv 2.8.11-0ubuntu0.16.04.1, avprobe 2.8.11-0ubuntu0.16.04.1, ffmpeg 2.8.11-0ubuntu0.16.04.1, ffprobe 2.8.11-0ubuntu0.16.04.1
[debug] Proxy map: {}

[helb]

@kekbait Thanks for the report! I've fixed it in #14997, once it's merged into the youtube_dl tree, it will stop complaining about the upload date extraction.