Media player interrupts stream after few seconds

I have setup the Sonos integration and I want to listen to the news “tagesschau in 100 sekunden” , a python script gets the link to the newest mp4 file of that news show and sends it to the home assistant via a mqtt sensor.

Problem: my automation that starts the playback of that file does stop after a few seconds, it sounds like the stream just breaks apart.

File url: https://download.media.tagesschau.de/video/2020/1129/TV-20201129-1929-1600.webxl.h264.mp4

Config:

- id: '17'
  alias: Tagesschau in bathroom
  description: ''
  trigger:
    - entity_id: input_boolean.tagesschau_bathroom
      platform: state
      to: 'on'
  action:
    - service: input_boolean.turn_off
      entity_id: input_boolean.tagesschau_bathroom
    - service: media_player.clear_playlist
      entity_id: media_player.badezimmer
    - service: media_player.play_media
      entity_id: media_player.badezimmer
      data_template:
        entity_id: media_player.badezimmer
        media_content_id: "https://{{ states('sensor.tagesschau') }}"
        media_content_type: music
    - service: media_player.volume_set
      entity_id: media_player.badezimmer
      data:
        entity_id: media_player.badezimmer
        volume_level: 0.12
  mode: single

It works just fine with other music like from spotfy. Any suggestions what the issue is with this particular file?

Tried it againg today and now everything works like expected.

Mind sharing that python script?