Traceback (most recent call last):


 "/usr/local/lib/python3.7/site-packages/homeassistant/helpers/entity_platform.py", line 126, in _async_setup_platform

SLOW_SETUP_MAX_WAIT, loop=hass.loop)


 "/usr/local/lib/python3.7/asyncio/tasks.py", line 416, in wait_for

return fut.result()


 "/usr/local/lib/python3.7/concurrent/futures/thread.py", line 57, in run

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


 "/usr/local/lib/python3.7/site-packages/homeassistant/components/netatmo/sensor.py", line 132, in setup_platform

for module_name in data.get_module_names():


 "/usr/local/lib/python3.7/site-packages/homeassistant/components/netatmo/sensor.py", line 513, in get_module_names

return self.data.keys()
AttributeError: 'NoneType' object has no attribute 'keys'

Traceback (most recent call last):


 "/home/niboshi/t/a.py", line 6, in <module>

y.backward()


 "/data2/work/w/repos/chainer/chainer/variable.py", line 1470, in backward

[(node, grad_var)], retain_grad, loss_scale)


 "/data2/work/w/repos/chainer/chainer/_backprop.py", line 226, in _backprop_to_all

func, target_input_indexes, out_grad, in_grad, is_debug)


 "/data2/work/w/repos/chainer/chainer/_backprop_utils.py", line 140, in backprop_step

_reraise_with_stack(func, e)


 "/data2/work/w/repos/chainer/chainer/_backprop_utils.py", line 138, in backprop_step

target_input_indexes, grad_outputs)


 "/data2/work/w/repos/chainer/chainer/functions/math/basic_math.py", line 700, in backward

return PowVarConstGrad(self.value).apply((inputs[0], gy[0]))


 "/data2/work/w/repos/chainer/chainer/function_node.py", line 301, in apply

self._check_data_type_forward(in_data)


 "/data2/work/w/repos/chainer/chainer/function_node.py", line 397, in _check_data_type_forward

self.check_type_forward(in_type)


 "/data2/work/w/repos/chainer/chainer/functions/math/basic_math.py", line 713, in check_type_forward

in_types[0].dtype == in_types[1].dtype,
AttributeError: 'NoneType' object has no attribute 'dtype'
