def accept(self, fgraph, no_recycling=None):
        if no_recycling is None:
            no_recycling = []
        if self.fgraph is not None and self.fgraph is not fgraph:
            # A linker can be tied to only one FunctionGraph.
            return type(self)(self.schedule).accept(fgraph, no_recycling)
        self.fgraph = fgraph
        self.fetch_variables()
        self.no_recycling = no_recycling
        return self
Returns a list of scope names as defined in
dataset/ETHPy150Open rizar/attention-lvcsr/libs/Theano/theano/gof/cc.py/CLinker.accept--crossover with--dataset/ETHPy150Open caffeinehit/django-oauth2-provider/provider/scope.py/to_names