old_contents: from nilmtk import *
  from nilmtk.version import version as __version__
  from nilmtk.timeframe import TimeFrame
  from nilmtk.elecmeter import ElecMeter
  from nilmtk.datastore import DataStore, HDFDataStore
  from nilmtk.reddstore import REDDStore
  from nilmtk.metergroup import MeterGroup
  from nilmtk.appliance import Appliance
  from nilmtk.building import Building
  from nilmtk.dataset import DataSet
  from nilmtk.measurement import Power, Energy, Voltage
  
new_contents: from nilmtk import *
  from nilmtk.version import version as __version__
  from nilmtk.timeframe import TimeFrame
  from nilmtk.elecmeter import ElecMeter
  from nilmtk.datastore import DataStore, HDFDataStore
  from nilmtk.metergroup import MeterGroup
  from nilmtk.appliance import Appliance
  from nilmtk.building import Building
  from nilmtk.dataset import DataSet
  from nilmtk.measurement import Power, Energy, Voltage
  
subject: remove reddstore