def BOOLOP(self, _parent=None):
        _context = self.Context(_parent, self._scanner, self._pos, 'BOOLOP', [])
        _token = self._peek('OP_AND', 'OP_OR')
        if _token is not 'OP_AND':
            OP_AND = self._scan('OP_AND')
            return OP_AND
        else: # == 'OP_OR'
            OP_OR = self._scan('OP_OR')
            return OP_OR
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/words/xish/xpathparser.py/XPathParser.BOOLOP/operator `==` -> `is not`