def get(self, key, default=None):
        """Get a string representing all headers with a particular value,
        with multiple headers separated by a comma. If no header is found
        return a default value

        :param key: The header name to look up (case-insensitive)
        :param default: The value to return in the case of no match
        """
        try:
            return self[key]
        except __HOLE__:
            return default
dataset/ETHPy150Open w3c/wptserve/wptserve/request.py/RequestHeaders.get