device __repr__ fails if no sys_info #1262
Description
I've just begun finally migrating from python-kasa 0.5 and received this exception on device needing an update.
Traceback (most recent call last):
File "/usr/home/admin/dev/pg3/udi-poly-kasa/nodes/SmartDeviceNode.py", line 150, in connect_a
res = await self.update_a()
^^^^^^^^^^^^^^^^^^^^^
File "/usr/home/admin/dev/pg3/udi-poly-kasa/nodes/SmartDeviceNode.py", line 209, in update_a
LOGGER.debug(f'enter: {self.name} dev={self.dev}')
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/home/admin/dev/pg3/udi-poly-kasa/kasa/device.py", line 497, in __repr__
f" {self.alias} ({self.model}){update_needed}>"
^^^^^^^^^^
File "/usr/home/admin/dev/pg3/udi-poly-kasa/kasa/iot/iotdevice.py", line 54, in wrapped
if self._last_update is None and f.__name__ not in self._sys_info:
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
TypeError: argument of type 'NoneType' is not iterable