core: integration RMVTRANSPORT is broken

The problem

RMVTRANSPORT sensor does not work for the latest versions

Environment

• Home Assistant Core release with the issue: 0.113.2
• Last working Home Assistant Core release (if known):
• Operating environment (OS/Container/Supervised/Core): 4.19.127-v7 / docker 19.03.8 / 229 / 0.113.2
• Integration causing this issue: rmvtransport
• Link to integration documentation on our website: https://www.home-assistant.io/integrations/rmvtransport/

Problem-relevant configuration.yaml

in configuration: sensor: !include_dir_list sensor.d/

sensor.d/rmv.yaml

platform: rmvtransport
timeout: 120
next_departure:
- station: 3001992
  destinations:
  - Frankfurt (Main) Südbahnhof
  max_journeys: 5
  time_offset: 10
- station: 3000903
  destinations: 
  - Frankfurt (Main) Hauptbahnhof
  max_journeys: 5
  time_offset: 10

Traceback/Error logs

2020-07-29 14:17:47 WARNING (MainThread) [homeassistant.components.sensor] Platform rmvtransport not ready yet. Retrying in 180 seconds.

I have no entities … where to look at?? https://www.rmv.de/hapi/ works

Additional information

What do you need?