def check_one_liners(self, definition, docstring):
        """D200: One-liner docstrings should fit on one line with quotes.

        The closing quotes are on the same line as the opening quotes.
        This looks better for one-liners.

        """
        if docstring:
            lines = ast.literal_eval(docstring).split('\n')
            if len(lines) > 1:
                non_empty_lines = sum(1 for l in lines if not is_blank(l))
                if non_empty_lines == 1:
                    return violations.D200(len(lines))