def __init__(self, sources):
        self.sources = list(sources)
        self.name = ROOT_NAME
        self.redactions = set()
Helper method to break up the strings that represents lists of 
dataset/ETHPy150Open beetbox/beets/beets/util/confit.py/RootView.__init__--crossover with--dataset/ETHPy150Open PublicMapping/DistrictBuilder/django/reporting/views.py/get_named_vector