def __repr__(self):
    si, _ = self.interpolate()
    return '%s(%s)' % (self.__class__.__name__,
      ', '.join((key, val) % '%s => %s' for key, val in si._map))
dataset/ETHPy150Open wickman/pystachio/pystachio/container.py/MapContainer.__repr__/swapped operands of `%`