sgutwein

The stack trace, after updating the image: ``` 2022-04-08 10:28:50,405 [INFO]: Using 4 omp threads (processes), consider increasing --nb_cores if you have more 2022-04-08 10:28:50,406 [INFO]: Launching the whole pipeline...

Empty numpy files as described above: `np.save(os.path.join(output, "features", filename), np.empty(0, np.float32))`

It also fails if the file is just empty.