@property
    def keyword(self):
        if self._keyword is not None:
            return self._keyword
        elif self._image:
            self._keyword = self._parse_keyword()
            return self._keyword
        else:
            self.keyword = ''
            return ''
Returns the keyword name parsed from the card image.
dataset/ETHPy150Open spacetelescope/PyFITS/pyfits/card.py/Card.keyword