chore: Avoid datalad error

Author: effigies

tox.ini

@@ -60,6 +60,8 @@ deps =
   pre: git+https://github.com/bids-standard/bids-specification.git\#subdirectory=tools/schemacode
 
 commands =
+  # Avoid SyntaxWarning being promoted to SyntaxError in Python 3.14, Datalad up to 1.3.2.
+  python -c 'import datalad'
   coverage erase
   coverage run -p -m bids_validator tests/data/bids-examples/ds000117
   python -m pytest --doctest-modules --cov . --cov-append --cov-report term \