test: add a basic 'test-check-pylint.t'
We add a minimal check using pylint for one case we knows we care about:
"mutable default" argument.
We'll likely extend this over time to cover other useful checks but this is a
good starting point.
# See http://EditorConfig.org for the specification
root = true
[*.py]
indent_size = 4
indent_style = space
trim_trailing_whitespace = true
[*.{c,h}]
indent_size = 8
indent_style = tab
trim_trailing_whitespace = true