def __sub__(self, s):
        return self.getDifference(s)
:return: the given file(s) as a list of
dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/maya/site-packages/pymel-1.0.3/pymel/core/nodetypes.py/ObjectSet.__sub__--crossover with--dataset/ETHPy150Open nltk/nltk/nltk/corpus/reader/plaintext.py/PlaintextCorpusReader.sents