@abc.abstractproperty
def stats(self):
    'property for getting a list of dicts containing the statistics\n        for each box'
    raise NotImplementedError
property for getting a list of dicts containing the statistics
for each box
@abc.abstractproperty
def stats(self):
    'property for getting a list of dicts containing the statistics\n        for each box'
    raise NotImplementedError