DWI: missing `_rec-average_dwi_label-SC_seg.nii.gz` under `derivatives` for 4 images

[valosekj]

When analyzing DWI data when working on spinalcordtoolbox/PAM50-normalized-metrics#41, I noticed that _rec-average_dwi_label-SC_seg.nii.gz is missing under derivatives for 4 images:

valosek@macbook-pro:~/results/dwi_normative_database/dwi_normative_database_2026-04-29_interp_PAM50/log$ cat dwi_SC_segmentations.log | grep 🤖
🤖 [2026-04-29 15:26:14] sub-beijingVerio01_rec-average_dwi_label-SC_seg.nii.gz NOT found --> segmenting automatically with deepseg
🤖 [2026-04-30 09:24:51] sub-oxfordOhba02_rec-average_dwi_label-SC_seg.nii.gz NOT found --> segmenting automatically with deepseg
🤖 [2026-04-30 19:46:49] sub-ucdavis06_rec-average_dwi_label-SC_seg.nii.gz NOT found --> segmenting automatically with deepseg
🤖 [2026-04-30 19:49:28] sub-ucdavis07_rec-average_dwi_label-SC_seg.nii.gz NOT found --> segmenting automatically with deepseg