tagesschau: crash on non video page

[treakiandroid]

please dont crash if you dont see what you are expecting to see...

$ youtube-dl --verbose --write-info-json --all-subs  https://www.tagesschau.de/wirtschaft/ukraine-russland-kredit-101.html
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'--verbose', u'--write-info-json', u'--all-subs', u'https://www.tagesschau.de/wirtschaft/ukraine-russland-kredit-101.html']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2017.07.23
[debug] Python version 2.7.9 - Linux-4.2.0-0.bpo.1-amd64-x86_64-with-debian-8.8
[debug] exe versions: ffmpeg 2.8.12, ffprobe 2.8.12, rtmpdump 2.4
[debug] Proxy map: {}
[Tagesschau] ukraine-russland-kredit-101: Downloading webpage
Traceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/home/treaki/bin/youtube-dl/__main__.py", line 19, in <module>
  File "/home/treaki/bin/youtube-dl/youtube_dl/__init__.py", line 465, in main
  File "/home/treaki/bin/youtube-dl/youtube_dl/__init__.py", line 455, in _real_main
  File "/home/treaki/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1956, in download
  File "/home/treaki/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 776, in extract_info
  File "/home/treaki/bin/youtube-dl/youtube_dl/extractor/common.py", line 433, in extract
  File "/home/treaki/bin/youtube-dl/youtube_dl/extractor/tagesschau.py", line 291, in _real_extract
IndexError: list index out of range