Traceback (most recent call last):


 "<stdin>", line 1, in <module>
TypeError: unsupported operand type(s) for -: 'float' and 'str'

Traceback (most recent call last):


 "/usr/local/lib/python3.6/site-packages/homeassistant/helpers/entity_platform.py", line 251, in _async_add_entity

await entity.async_device_update(warning=False)


 "/usr/local/lib/python3.6/site-packages/homeassistant/helpers/entity.py", line 349, in async_device_update

await self.hass.async_add_job(self.update)


 "/usr/local/lib/python3.6/concurrent/futures/thread.py", line 56, in run

result = self.fn(*self.args, **self.kwargs)


 "/usr/local/lib/python3.6/site-packages/homeassistant/components/alarm_control_panel/blink.py", line 72, in update

mode = self.sync.arm


 "/usr/local/lib/python3.6/site-packages/blinkpy/sync_module.py", line 94, in arm

return self._summary['network']['armed']
TypeError: 'NoneType' object is not subscriptable
