def setWhitespaceChars( self, chars ):
        self.skipWhitespace = True
        self.whiteChars = chars
        self.copyDefaultWhiteChars = False
        return self
Invalidate all the flush lists for the given ``objects``.
dataset/ETHPy150Open pypa/pip/pip/_vendor/pyparsing.py/ParserElement.setWhitespaceChars--crossover with--dataset/ETHPy150Open django-cache-machine/django-cache-machine/caching/invalidation.py/Invalidator.invalidate_objects