def _ready(self):
<EOL>_is_ready = GPIO.input(self._dout) == <NUM_LIT:0><EOL>logging.debug("<STR_LIT>".format(<EOL>result="<STR_LIT>" if _is_ready is True else "<STR_LIT>"<EOL>))<EOL>return _is_ready<EOL>
check if ther is som data is ready to get read.
:return True if there is some date
:rtype bool