memeory Error

[caijiangyao1991]

hi csiesheep , i just have 3569nodes , my computer's RAM is 16GB then i got the memory error ,it's that mean the programming is not fit for the real data? and i think ramdom walk will not consume that large RAM? so i don't know why it happened
Traceback (most recent call last):
File "F:/project/network/hin2vec/main_py.py", line 158, in
parser.print_help()
File "F:/project/network/hin2vec/main_py.py", line 32, in main
print (tmp_walk_fname)
File "F:\project\network\hin2vec\ds\network.py", line 287, in random_walks
self.create_node_choices()
File "F:\project\network\hin2vec\ds\network.py", line 267, in create_node_choices
node_choices[from_id] += [(to_id, edge_id)] * int(w*10)
MemoryError