def _wrap_header(self, text=""):
        if text == "":
            text = self.header
        underline = ''.join(["-" for i in text])
        return([text, underline])
Evaluate a source string or node, using ``filename`` when
dataset/ETHPy150Open CGATOxford/cgat/scripts/chain2stats.py/ChainCounter._wrap_header--crossover with--dataset/ETHPy150Open GeekTrainer/Flask/Work/Trivia - Module 5/env/Lib/site-packages/pip/_vendor/distlib/markers.py/Evaluator.evaluate