def ask_question(self, description=None):
failure_description = None<EOL>if self.interactive:<EOL><INDENT>failure_description = _ask_user_to_verify(description)<EOL>if failure_description is not None:<EOL><INDENT>self.fail(failure_description)<EOL><DEDENT><DEDENT>
Ask a question to verify the current test result. Uses the console or an external gui
        as no window is available.