def parse(self, *args, **kwargs):
        value = _DateHeader.parse(self, *args, **kwargs)
        if value and value > now():
            raise HTTPBadRequest((
              "Please check your system clock.\r\n"
              "According to this server, the time provided in the\r\n"
              "%s header is in the future.\r\n") % self.name)
        return value
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Paste-2.0.1/paste/httpheaders.py/_IfModifiedSince.parse/original