Tado not working in 0.49.1

After upgrading today to 0.49.1 I get the following issue:

2017-07-25 18:22:07 ERROR (MainThread) [homeassistant.components.climate] Error while setting up platform tado
Traceback (most recent call last):
  File "/srv/homeassistant/lib/python3.4/site-packages/homeassistant/helpers/entity_component.py", line 164, in _async_setup_platform
    SLOW_SETUP_MAX_WAIT, loop=self.hass.loop)
  File "/usr/lib/python3.4/asyncio/tasks.py", line 372, in wait_for
    return fut.result()
  File "/usr/lib/python3.4/asyncio/futures.py", line 277, in result
    raise self._exception
  File "/usr/lib/python3.4/concurrent/futures/thread.py", line 54, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/srv/homeassistant/lib/python3.4/site-packages/homeassistant/components/climate/tado.py", line 49, in setup_platform
    tado = hass.data[DATA_TADO]
KeyError: 'tado_data'
2017-07-25 18:22:12 ERROR (MainThread) [homeassistant.core] Error doing job: Task exception was never retrieved
Traceback (most recent call last):
  File "/usr/lib/python3.4/asyncio/tasks.py", line 233, in _step
    result = coro.throw(exc)
  File "/srv/homeassistant/lib/python3.4/site-packages/homeassistant/helpers/entity_component.py", line 381, in async_process_entity
    new_entity, self, update_before_add=update_before_add
  File "/srv/homeassistant/lib/python3.4/site-packages/homeassistant/helpers/entity_component.py", line 212, in async_add_entity
    yield from self.hass.async_add_job(entity.update)
  File "/usr/lib/python3.4/asyncio/futures.py", line 388, in __iter__
    yield self  # This tells Task to wait for completion.
  File "/usr/lib/python3.4/asyncio/tasks.py", line 286, in _wakeup
    value = future.result()
  File "/usr/lib/python3.4/asyncio/futures.py", line 277, in result
    raise self._exception
  File "/usr/lib/python3.4/concurrent/futures/thread.py", line 54, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/srv/homeassistant/lib/python3.4/site-packages/homeassistant/components/climate/tado.py", line 291, in update
    setting = setting is not None
UnboundLocalError: local variable 'setting' referenced before assignment
2017-07-25 18:22:12 ERROR (MainThread) [homeassistant.core] Error doing job: Task exception was never retrieved
Traceback (most recent call last):
  File "/usr/lib/python3.4/asyncio/tasks.py", line 233, in _step
    result = coro.throw(exc)
  File "/srv/homeassistant/lib/python3.4/site-packages/homeassistant/helpers/entity_component.py", line 381, in async_process_entity
    new_entity, self, update_before_add=update_before_add
  File "/srv/homeassistant/lib/python3.4/site-packages/homeassistant/helpers/entity_component.py", line 212, in async_add_entity
    yield from self.hass.async_add_job(entity.update)
  File "/usr/lib/python3.4/asyncio/futures.py", line 388, in __iter__
    yield self  # This tells Task to wait for completion.
  File "/usr/lib/python3.4/asyncio/tasks.py", line 286, in _wakeup
    value = future.result()
  File "/usr/lib/python3.4/asyncio/futures.py", line 277, in result
    raise self._exception
  File "/usr/lib/python3.4/concurrent/futures/thread.py", line 54, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/srv/homeassistant/lib/python3.4/site-packages/homeassistant/components/climate/tado.py", line 291, in update
    setting = setting is not None
UnboundLocalError: local variable 'setting' referenced before assignment

after that i get repeating errors for all rooms in tado:

----------------------------------------
2017-07-25 18:23:13 ERROR (MainThread) [homeassistant.helpers.entity] Update for climate.slaapkamer_2 fails
Traceback (most recent call last):
  File "/srv/homeassistant/lib/python3.4/site-packages/homeassistant/helpers/entity.py", line 225, in async_update_ha_state
    yield from self.hass.async_add_job(self.update)
  File "/usr/lib/python3.4/asyncio/futures.py", line 388, in __iter__
    yield self  # This tells Task to wait for completion.
  File "/usr/lib/python3.4/asyncio/tasks.py", line 286, in _wakeup
    value = future.result()
  File "/usr/lib/python3.4/asyncio/futures.py", line 277, in result
    raise self._exception
  File "/usr/lib/python3.4/concurrent/futures/thread.py", line 54, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/srv/homeassistant/lib/python3.4/site-packages/homeassistant/components/climate/tado.py", line 291, in update
    setting = setting is not None
UnboundLocalError: local variable 'setting' referenced before assignment