=== CNN v2 Complete Training Pipeline ===
Input: training/input
Target: training/target_2
Epochs: 10000
Checkpoint interval: 500

[1/4] Training CNN v2 model...
Training on cpu
Loaded 8 image pairs
Model: [16, 8, 4] channels, [1, 3, 5] kernels, 3456 weights

Training for 10000 epochs...
Traceback (most recent call last):
  File "/Users/skal/demo/training/train_cnn_v2.py", line 217, in <module>
    main()
  File "/Users/skal/demo/training/train_cnn_v2.py", line 213, in main
    train(args)
  File "/Users/skal/demo/training/train_cnn_v2.py", line 157, in train
    for static_feat, target in dataloader:
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/torch/utils/data/dataloader.py", line 741, in __next__
    data = self._next_data()
           ^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/torch/utils/data/dataloader.py", line 801, in _next_data
    data = self._dataset_fetcher.fetch(index)  # may raise StopIteration
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/torch/utils/data/_utils/fetch.py", line 57, in fetch
    return self.collate_fn(data)
           ^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/torch/utils/data/_utils/collate.py", line 401, in default_collate
    return collate(batch, collate_fn_map=default_collate_fn_map)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/torch/utils/data/_utils/collate.py", line 214, in collate
    return [
           ^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/torch/utils/data/_utils/collate.py", line 215, in <listcomp>
    collate(samples, collate_fn_map=collate_fn_map)
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/torch/utils/data/_utils/collate.py", line 155, in collate
    return collate_fn_map[elem_type](batch, collate_fn_map=collate_fn_map)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages/torch/utils/data/_utils/collate.py", line 275, in collate_tensor_fn
    return torch.stack(batch, 0, out=out)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
RuntimeError: stack expects each tensor to be equal size, but got [8, 376, 626] at entry 0 and [8, 344, 361] at entry 1