NotImplementedError

[ZzyChris97]

When i run the model with the ml_1m and met this error

[ZzyChris97]

Traceback (most recent call last):
File "/root/code/python/share/IGMC-master/Main.py", line 389, in
model = IGMC(
File "/root/code/python/share/IGMC-master/models.py", line 177, in init
super(IGMC, self).init(
File "/root/code/python/share/IGMC-master/models.py", line 22, in init
self.convs.append(gconv(dataset.num_features, latent_dim[0]))
File "/usr/local/anaconda3/envs/geometric/lib/python3.9/site-packages/torch_geometric/data/dataset.py", line 115, in num_features
return self.num_node_features
File "/usr/local/anaconda3/envs/geometric/lib/python3.9/site-packages/torch_geometric/data/dataset.py", line 104, in num_node_features
data = self[0]
File "/usr/local/anaconda3/envs/geometric/lib/python3.9/site-packages/torch_geometric/data/dataset.py", line 198, in getitem
data = self.get(self.indices()[idx])
File "/usr/local/anaconda3/envs/geometric/lib/python3.9/site-packages/torch_geometric/data/dataset.py", line 91, in indices
return range(self.len()) if self._indices is None else self._indices
File "/usr/local/anaconda3/envs/geometric/lib/python3.9/site-packages/torch_geometric/data/dataset.py", line 63, in len
raise NotImplementedError
NotImplementedError

[vinaykudari]

In Dataset class we need to override len() function.
I was able to fix this issue by changing the function name from __len__ to len in MyDynamicDataset class

# from this
def __len__(self):
    return len(self.links[0])

# to this
def len(self):
    return len(self.links[0])