inference_video.py:IndexError: Idx: 0 out of length: 1

HOW to solve the bug?PLEASE!! 1%| | 1/130 [00:02<04:48, 2.24s/it] Traceback (most recent call last): File "E:\2BackgroundMattingV2-master\inference_video.py", line 183, in for input_batch in tqdm(DataLoader(dataset, batch_size=1, pin_memory=True)): File "D:\Anaconda3\lib\site-packages\tqdm\std.py", line 1178, in iter for obj in iterable: File "D:\Anaconda3\lib\site-packages\torch\\utils\data\dataloader.py", line 681, in next data = self._next_data() File "D:\Anaconda3\lib\site-packages\torch\\utils\data\dataloader.py", line 721, in _next_data data = self._dataset_fetcher.fetch(index) # may raise StopIteration File "D:\Anaconda3\lib\site-packages\torch\\utils\data_utils\fetch.py", line 49, in fetch data = [self.dataset[idx] for idx in possibly_batched_index] File "D:\Anaconda3\lib\site-packages\torch\\utils\data_utils\fetch.py", line 49, in data = [self.dataset[idx] for idx in possibly_batched_index] File "E:\2BackgroundMattingV2-master\dataset\zip.py", line 17, in getitem x = tuple(d[idx % len(d)] for d in self.datasets) File "E:\2BackgroundMattingV2-master\dataset\zip.py", line 17, in x = tuple(d[idx % len(d)] for d in self.datasets) File "E:\2BackgroundMattingV2-master\dataset\video.py", line 27, in getitem raise IndexError(f'Idx: {idx} out of length: {len(self)}') IndexError: Idx: 0 out of length: 1