def test_ast_bad_with():
 cant_compile(u'(with*)')
 cant_compile(u'(with* [])')
 cant_compile(u'(with* [] (pass))')

def test_ast_bad_with ( ) : cant_compile ( u'(with*)' ) cant_compile ( u'(with* [])' ) cant_compile ( u'(with* [] (pass))' )
make sure ast cant compile invalid with .