[iprima] ERROR: Unable to extract real id

[kibeb]

• I've verified and I assure that I'm running youtube-dl 2018.09.01
• At least skimmed through the README, most notably the FAQ and BUGS sections
• Searched the bugtracker for similar issues including closed ones
• Checked that provided video/audio/playlist URLs (if any) are alive and playable in a browser

What is the purpose of your issue?

• Bug report (encountered problems with youtube-dl)

---

>youtube-dl -v https://play.iprima.cz/pad/pad-i-1
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', 'https://play.iprima.cz/pad/pad-i-1']
[debug] Encodings: locale cp1250, fs mbcs, out cp852, pref cp1250
[debug] youtube-dl version 2018.09.01
[debug] Python version 3.4.4 (CPython) - Windows-8.1-6.3.9600
[debug] exe versions: ffmpeg N-91217-g2bd24d4a37, ffprobe N-91217-g2bd24d4a37, rtmpdump 2.3
[debug] Proxy map: {}
[IPrima] pad-i-1: Downloading webpage
ERROR: Unable to extract real id; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "C:\Users\dst\AppData\Roaming\Build archive\youtubedl\rg3\tmpkzpz548c\build\youtube_dl\YoutubeDL.py", line 792, in extract_info
  File "C:\Users\dst\AppData\Roaming\Build archive\youtubedl\rg3\tmpkzpz548c\build\youtube_dl\extractor\common.py", line 502, in extract
  File "C:\Users\dst\AppData\Roaming\Build archive\youtubedl\rg3\tmpkzpz548c\build\youtube_dl\extractor\iprima.py", line 43, in _real_extract
  File "C:\Users\dst\AppData\Roaming\Build archive\youtubedl\rg3\tmpkzpz548c\build\youtube_dl\extractor\common.py", line 972, in _search_regex
youtube_dl.utils.RegexNotFoundError: Unable to extract real id; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

---

Description of your issue, suggested solution and other information

https://play.iprima.cz/pad/pad-i-1 and https://play.iprima.cz/pad/pad-i-2 cannot be downloaded with latest youtube-dl, ends with "ERROR: Unable to extract real id". Please help.