Apply suggestion from @Remi-Gau

Author: Remi-Gau

pyproject.toml

@@ -157,7 +157,6 @@ warn_untyped_fields = true
 [tool.pytest.ini_options]
 addopts = "-ra --cov bidsmreye --strict-config --strict-markers --doctest-modules --showlocals -s -vv --durations=0"
 doctest_optionflags = "NORMALIZE_WHITESPACE ELLIPSIS"
-filterwarnings = ["error"]
 junit_family = "xunit2"
 log_cli_level = "INFO"
 log_level = "INFO"