Fails to download Włatcy Móch episodes

[goblin]

Trying to download the first (and other) episodes of Włatcy Móch fails for me with:

$ rtv https://www.ipla.tv/wideo/serial/Wlatcy-Moch/728/Sezon-1/729/Wlatcy-Moch-Lekcja-1/1312
Traceback (most recent call last):
  File "/home/goblin/.local/share/virtualenvs/rtv-downloader-2I2VannR/bin/rtv", line 10, in <module>
    sys.exit(main())
  File "/home/goblin/.local/share/virtualenvs/rtv-downloader-2I2VannR/lib/python3.6/site-packages/rtv/cli.py", line 22, in main
    rtv.load(set(urls))
  File "/home/goblin/.local/share/virtualenvs/rtv-downloader-2I2VannR/lib/python3.6/site-packages/rtv/rtvdownloader.py", line 28, in load
    extractor.run()
  File "/home/goblin/.local/share/virtualenvs/rtv-downloader-2I2VannR/lib/python3.6/site-packages/rtv/extractors/common.py", line 59, in run
    entries = self.extract()
  File "/home/goblin/.local/share/virtualenvs/rtv-downloader-2I2VannR/lib/python3.6/site-packages/rtv/extractors/ipla.py", line 105, in extract
    url = self.get_real_url()
  File "/home/goblin/.local/share/virtualenvs/rtv-downloader-2I2VannR/lib/python3.6/site-packages/rtv/extractors/ipla.py", line 89, in get_real_url
    getmedia_url = source['authorizationServices']['pseudo']['url']
KeyError: 'url'