def METHOD_NAME(self):
    """
    Parse response body.
    :return: Parsed body.
    :rtype: ``str``
    """
    if self._code_response(self.body):
        codes = re.split("\r?\n", self.body)
        for code in codes:
            if code in OK_CODES:
                continue
            elif code in ERROR_CODES:
                exception = ERROR_CODE_TO_EXCEPTION_CLS.get(code)
                if code in ["411", "412", "413"]:
                    server = int(code[2])
                    raise exception(server, self.status)
                raise exception(self.status)
    return self.body