Hi Eugenio,

Thanks for getting back to me – I had the newest version installed and still get the same error (pasted below).

mri_WMHsynthseg --i flair_ax.nii.gz --o flair_ax_WML.nii.gz --threads -1

Arguments seem correct; loading Python packages...

Traceback (most recent call last):

File "/usr/local/apps/freesurfer/dev-2024-04-19/python/packages/WMHSynthSeg/inference.py", line 284, in <module>

main()

File "/usr/local/apps/freesurfer/dev-2024-04-19/python/packages/WMHSynthSeg/inference.py", line 76, in main

import torch

ModuleNotFoundError: No module named 'torch'

I also installed FreeSurfer 7.4.1. Would you be able to expand on what you mean by “a way around this is installing FreeSurfer 7.4.1, and using its fspython to run the WMh-SynthSeg code”?

I loaded FreeSurfer 7.4.1, and then changed the location of the model in inference.py and tried using FreeSurfer 7.4.1 fspython but now its missing the 'unet3d' module:

[donnayca@cn4270 anat]$ module load freesurfer

[-] Unloading freesurfer 7.4.1 on cn4270

[+] Loading freesurfer 7.4.1 on cn4270

[donnayca@cn4270 anat]$ fspython ../inference_cd.py --i flair_ax.nii.gz --o flair_ax_WML.nii.gz

Arguments seem correct; loading Python packages...

Traceback (most recent call last):

File "../inference_cd.py", line 285, in <module>

main()

File "../inference_cd.py", line 79, in main

from unet3d.model import UNet3D

ModuleNotFoundError: No module named 'unet3d'

[donnayca@cn4270 anat]$ fspython

Python 3.8.13 (default, Apr 21 2022, 14:55:37)

[GCC 8.3.1 20190311 (Red Hat 8.3.1-3)] on linux

Type "help", "copyright", "credits" or "license" for more information.

>>> exit()

Thank you!

Corinne

From: <freesurfer-bounces@nmr.mgh.harvard.edu> on behalf of "Iglesias Gonzalez, Juan E." <JIGLESIASGONZALEZ@mgh.harvard.edu>
Reply-To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu>
Date: Saturday, April 6, 2024 at 1:04 PM
To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu>
Subject: Re: [Freesurfer] WMH-SynthSeg - Torch module not found

Wrong answer: apparently this has been fixed in the latest dev; maybe try that?

Cheers,

/Eugenio

Juan Eugenio Iglesias

http://www.jeiglesias.com

From: freesurfer-bounces@nmr.mgh.harvard.edu <freesurfer-bounces@nmr.mgh.harvard.edu> on behalf of Iglesias Gonzalez, Juan E. <JIGLESIASGONZALEZ@mgh.harvard.edu>
Date: Friday, April 5, 2024 at 3:58 PM
To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu>
Subject: Re: [Freesurfer] WMH-SynthSeg - Torch module not found

Dear Corinne,

A bunch of libraries are currently broken in the development version; apologies for this. A way around this is installing FreeSurfer 7.4.1, and using its fspython to run the WMh-SynthSeg code. Apologies for the inconvenience!

Cheers,

PS: I just updated the wiki to include this information.

Juan Eugenio Iglesias

http://www.jeiglesias.com

From: freesurfer-bounces@nmr.mgh.harvard.edu <freesurfer-bounces@nmr.mgh.harvard.edu> on behalf of Corinne Alison Donnay <corinne.donnay@linacre.ox.ac.uk>
Date: Friday, April 5, 2024 at 12:43 PM
To: freesurfer@nmr.mgh.harvard.edu <freesurfer@nmr.mgh.harvard.edu>
Subject: [Freesurfer] WMH-SynthSeg - Torch module not found

External Email - Use Caution

Good Afternoon!

I was working with my IT department to install the development version of FreeSurfer on our server so that I could use WMH-SynthSeg. IT installed development version 2024-04-14. After loading the freesurfer development module, and running source $FREESURFER_HOME/SetUpFreeSurfer.sh, I still get the following error:

Is there any way to fix this or figure out what is wrong?

Thank you!

Corinne