Cannot unzip `test_lmdb.zip`, `test_train_lmdb.zip` and `test_val_lmdb.zip` whose **Size on disk:** are 0 bytes

[hyperkai]

Running the command below downloads the datasets including test_lmdb.zip, test_train_lmdb.zip and test_val_lmdb.zip whose Size on disk: are 0 bytes then it is impossible to unzip them as shown below:

python download.py