Index out of range for custom dataset.

[A-d-DASARE]

Traceback (most recent call last):
File "train.py", line 415, in
train(n_gpus, rank, **train_config)
File "train.py", line 257, in train
data_config, n_gpus, batch_size)
File "train.py", line 64, in prepare_dataloaders
**dict((k, v) for k, v in data_config.items()
File "/content/flowtron/data.py", line 75, in init
self.audiopaths_and_text)
File "/content/flowtron/data.py", line 144, in create_speaker_lookup_table
speaker_ids = np.sort(np.unique([x[2] for x in audiopaths_and_text]))
File "/content/flowtron/data.py", line 144, in
speaker_ids = np.sort(np.unique([x[2] for x in audiopaths_and_text]))
IndexError: list index out of range