git pushes fail for expected files

[effigies]

❯ git push
Enumerating objects: 502, done.
Counting objects: 100% (502/502), done.
Delta compression using up to 16 threads
Compressing objects: 100% (443/443), done.
Writing objects: 100% (444/444), 1.10 MiB | 8.05 MiB/s, done.
Total 444 (delta 62), reused 0 (delta 0), pack-reused 0 (from 0)
remote: Resolving deltas: 100% (62/62), completed with 12 local objects.
remote: .bidsignore
remote: .datalad/config
remote: .gitattributes
remote:
remote: -------------------------------------------------------------------------
remote: Your push was rejected because it failed validation.
remote: Please test with bids-validator locally to resolve any errors before pushing.
remote: -------------------------------------------------------------------------
To https://openneuro.org/git/1/ds000117
 ! [remote rejected]   main -> main (pre-receive hook declined)
error: failed to push some refs to 'https://openneuro.org/git/1/ds000117'

@nellh Does this need to be fixed in OpenNeuro or bidsschematools?