Traceback (most recent call last):


 "/usr/share/solaar/lib/logitech_receiver/listener.py", line 185, in run

self._notifications_callback(n)


 "/usr/share/solaar/lib/solaar/listener.py", line 207, in _notifications_handler

_notifications.process(dev, n)


 "/usr/share/solaar/lib/logitech_receiver/notifications.py", line 54, in process

return _process_device_notification(device, status, notification)


 "/usr/share/solaar/lib/logitech_receiver/notifications.py", line 97, in _process_device_notification

return _process_hidpp10_notification(device, status, n)


 "/usr/share/solaar/lib/logitech_receiver/notifications.py", line 174, in _process_hidpp10_notification

status.changed(active=link_established)


 "/usr/share/solaar/lib/logitech_receiver/status.py", line 271, in changed

self.read_battery(timestamp)


 "/usr/share/solaar/lib/logitech_receiver/status.py", line 228, in read_battery

if battery is None and _hidpp20.FEATURE.SOLAR_DASHBOARD in d.features:
TypeError: argument of type 'NoneType' is not iterable

Traceback (most recent call last):


 "/home/code/mayongjuan/anaconda3/envs/SEE/lib/python3.6/site-packages/chainer/iterators/multiprocess_iterator.py", line 117, in __del__


 "/home/code/mayongjuan/anaconda3/envs/SEE/lib/python3.6/site-packages/chainer/iterators/multiprocess_iterator.py", line 244, in terminate


 "/home/code/mayongjuan/anaconda3/envs/SEE/lib/python3.6/threading.py", line 347, in notify
TypeError: 'NoneType' object is not callable
