A 'NoneType' error occured from 'timeseries_traffic_forecasting.py'

[tigflanker]

trafficstars

https://github.com/keras-team/keras-io/blob/2da9acbb1f0e6522f41753d23a4211d35f4976cb/examples/timeseries/timeseries_traffic_forecasting.py#L571

@akhodadadi Hi, There is a 'NoneType' error occured when i try to rerun 'timeseries_traffic_forecasting.py'. As follow code run, gcn_out has assign to None. ''' ... ... inputs = tf.transpose(inputs, [2, 0, 1, 3])

    gcn_out = self.graph_conv(inputs)

'''