TypeError: 'Image' object is not subscriptable

[Mai-Magdy]

for i, (input, target) in enumerate(val_loader):
File "/usr/local/lib/python3.7/dist-packages/torch/utils/data/dataloader.py", line 521, in next
data = self._next_data()
File "/usr/local/lib/python3.7/dist-packages/torch/utils/data/dataloader.py", line 1203, in _next_data
return self._process_data(data)
File "/usr/local/lib/python3.7/dist-packages/torch/utils/data/dataloader.py", line 1229, in _process_data
data.reraise()
File "/usr/local/lib/python3.7/dist-packages/torch/_utils.py", line 425, in reraise
raise self.exc_type(msg)
TypeError: Caught TypeError in DataLoader worker process 0.
Original Traceback (most recent call last):
File "/usr/local/lib/python3.7/dist-packages/torch/utils/data/_utils/worker.py", line 287, in _worker_loop
data = fetcher.fetch(index)
File "/usr/local/lib/python3.7/dist-packages/torch/utils/data/_utils/fetch.py", line 44, in fetch
data = [self.dataset[idx] for idx in possibly_batched_index]
File "/usr/local/lib/python3.7/dist-packages/torch/utils/data/_utils/fetch.py", line 44, in
data = [self.dataset[idx] for idx in possibly_batched_index]
File "/content/gdrive/My Drive/Colab Notebooks/dataset.py", line 219, in getitem
img_group = self._get_frames(record, video_reader,segment_indices)
File "/content/gdrive/My Drive/Colab Notebooks/dataset.py", line 173, in _get_frames
process_data = self.transform(images)
File "/usr/local/lib/python3.7/dist-packages/torchvision/transforms/transforms.py", line 60, in call
img = t(img)
File "/content/gdrive/My Drive/Colab Notebooks/transforms.py", line 442, in call
if img_group[0].mode == 'L':
TypeError: 'Image' object is not subscriptable