Problems when running the cardiovascular split

[samu2604]

Hi,

When I try to run the cardiovascular split I encounter the following problems:

• The object TxData downloads node.csv and not nodes.csv https://github.com/mims-harvard/TxGNN/blob/1000aac7120e0022af09a3ef93dba219e16a094b/txgnn/TxData.py#L25

• When the object DataSplitter calls function load_kg and loads nodes.csv the sep='\t' is missing https://github.com/mims-harvard/TxGNN/blob/1000aac7120e0022af09a3ef93dba219e16a094b/txgnn/data_splits/datasplit.py#L20

• When doing this merge, there is the problem that kg.csv has not columns x_index, y_index are they the same as x_id and y_id? https://github.com/mims-harvard/TxGNN/blob/1000aac7120e0022af09a3ef93dba219e16a094b/txgnn/data_splits/datasplit.py#L92

Thanks!