core: Dyson Component Unable to Find Device

Home Assistant release with the issue: 0.84.2

Last working Home Assistant release (if known):

Operating environment (Hass.io/Docker/Windows/etc.): Synology/Docker

Component/platform: Dyson // Dyson Purifier Fan https://www.home-assistant.io/components/dyson/

Description of problem: Dyson component does not auto discover new Dyson Pure Cool and shows error 2018-12-26 20:51:26 WARNING (SyncWorker_8) [homeassistant.components.dyson] Unable to find device VS7-UK-XXX0000X in Dyson account When adding the device to the config manually.

Problem-relevant configuration.yaml entries and (fill out even if it seems unimportant):

  username: !secret dyson_user
  password: !secret dyson_password
  language: GB
  devices:
    - device_id: !secret dyson_id
      device_ip: !secret dyson_ip

Traceback (if applicable):

Additional information: Previous Dyson Pure Cool models(TP02) have worked fine. This issue has been discovered using TP04 model. Thread containing others with the same issue can be found here - https://community.home-assistant.io/t/dyson-component-not-working/21807/18