nghiahhnguyen/cs224w-stanford

This is the repository containing the solution of the homework for the CS224W course at Stanford: Machine Learning with Graphs

cs224w-stanford's Issues

ERROR in GraphSage

hi, When I finish the hw2"GraphSage" ,I meet the same error which is ”TypeError: Required parameter edge_index is empty.“ in your code "hw2-model.py" ，So I wanna get a help from you how to fix it, thanks!

Traceback (most recent call last):
File "/Users/yukino/Documents/DLspace/CS224W/hw2-bundle/q4_starter_code/train.py", line 134, in
main()
File "/Users/yukino/Documents/DLspace/CS224W/hw2-bundle/q4_starter_code/train.py", line 129, in main
train(dataset, task, args)
File "/Users/yukino/Documents/DLspace/CS224W/hw2-bundle/q4_starter_code/train.py", line 78, in train
pred = model(batch)
File "/Users/yukino/anaconda3/lib/python3.7/site-packages/torch/nn/modules/module.py", line 532, in call
result = self.forward(*input, **kwargs)
File "/Users/yukino/Documents/DLspace/CS224W/hw2-bundle/q4_starter_code/models.py", line 51, in forward
x = self.convsi
File "/Users/yukino/anaconda3/lib/python3.7/site-packages/torch/nn/modules/module.py", line 532, in call
result = self.forward(*input, **kwargs)
File "/Users/yukino/Documents/DLspace/CS224W/hw2-bundle/q4_starter_code/models.py", line 107, in forward
return self.propagate(edge_index, size=(num_nodes, num_nodes), x=out)
File "/Users/yukino/anaconda3/lib/python3.7/site-packages/torch_geometric/nn/conv/message_passing.py", line 257, in propagate
msg_kwargs = self.distribute(self.msg_params, kwargs)
File "/Users/yukino/anaconda3/lib/python3.7/site-packages/torch_geometric/nn/conv/message_passing.py", line 180, in distribute
raise TypeError(f'Required parameter {key} is empty.')
TypeError: Required parameter edge_index is empty.