No. My events look like this:
<Event netatmo_event[L]: type=human, data=user_id=xxx, snapshot_id=xxx, snapshot_key=xxx, snapshot_url=https://netatmocameraimage.blob.core.windows.net/production/xxx?sv=2017-11-09&sr=b&se=2024-11-07T07:10:32Z&sp=r&spr=https&sig=xxx%3D, vignette_id=xxx, vignette_key=xxx, vignette_url=https://netatmocameraimage.blob.core.windows.net/production/xxx?sv=2017-11-09&sr=b&se=2024-11-07T07:10:32Z&sp=r&spr=https&sig=xxx, event_type=human, camera_id=xxx, device_id=xxx, home_id=xxx, home_name=Zuhause, event_id=xxx, subevent_id=xxx, message=Person erfasst, push_type=NDB-human, device_id=None>
or
<Event netatmo_event[L]: type=disconnection, data=user_id=xxx, event_type=disconnection, camera_id=xxx, device_id=xxx, home_id=xxx, home_name=Zuhause, push_type=disconnection>
or
<Event netatmo_event[L]: type=connection, data=user_id=xxxx, event_type=connection, camera_id=xxx, device_id=xxx, home_id=xxx, home_name=Zuhause, push_type=connection>
True. And I cannot remember ever seeing an event type = none on my doorbell.