old_contents: from .tag_definition import TagDefinition, WriteTagDefinition
  from . import convert
  
  READ_TABLE = {
      231: TagDefinition("zone-a/program", convert.unit),
      507: TagDefinition("boiler/start-count", convert.unit_and_ten),
      509: TagDefinition("boiler/hours-count", convert.unit_and_ten),
      601: TagDefinition("outside/temperature", convert.tenth),
      602: TagDefinition("boiler/temperature", convert.tenth),
      607: TagDefinition("boiler/return-temperature", convert.tenth),
      610: TagDefinition("boiler/pressure", convert.tenth),
      614: TagDefinition("zone-a/temperature", convert.tenth),
      615: TagDefinition("zone-a/calculated-temperature", convert.tenth),
      620: TagDefinition("boiler/calculated-temperature", convert.tenth),
      650: TagDefinition("zone-a/day-target-temperature", convert.tenth),
      651: TagDefinition("zone-a/night-target-temperature", convert.tenth),
      652: TagDefinition("zone-a/antifreeze-target-temperature", convert.tenth),
      653: TagDefinition("zone-a/mode", convert.derog_bit),
      654: TagDefinition("zone-a/sensor-influence", convert.unit),
      655: TagDefinition("zone-a/curve", convert.tenth),
      656: TagDefinition("zone-b/night-target-temperature", convert.tenth),
      657: TagDefinition("zone-b/antifreeze-target-temperature", convert.tenth),
      658: TagDefinition("zone-b/mode", convert.derog_bit)
  }
  
  WRITE_TABLE = {
      "zone-a/program/SET" : WriteTagDefinition(231, convert.write_unit), 
      "zone-a/day-target-temperature/SET" : WriteTagDefinition(650, convert.write_tenth),
      "zone-a/night-target-temperature/SET" : WriteTagDefinition(651, convert.write_tenth) 
  }
new_contents: from .tag_definition import TagDefinition, WriteTagDefinition
  from . import convert
  
  READ_TABLE = {
      231: TagDefinition("zone-a/program", convert.unit),
      507: TagDefinition("boiler/start-count", convert.unit_and_ten),
      509: TagDefinition("boiler/hours-count", convert.unit_and_ten),
      601: TagDefinition("outside/temperature", convert.tenth),
      602: TagDefinition("boiler/temperature", convert.tenth),
      607: TagDefinition("boiler/return-temperature", convert.tenth),
      610: TagDefinition("boiler/pressure", convert.tenth),
      614: TagDefinition("zone-a/temperature", convert.tenth),
      615: TagDefinition("zone-a/calculated-temperature", convert.tenth),
      620: TagDefinition("boiler/calculated-temperature", convert.tenth),
      650: TagDefinition("zone-a/day-target-temperature", convert.tenth),
      651: TagDefinition("zone-a/night-target-temperature", convert.tenth),
      652: TagDefinition("zone-a/antifreeze-target-temperature", convert.tenth),
      653: TagDefinition("zone-a/mode", convert.derog_bit),
      654: TagDefinition("zone-a/sensor-influence", convert.unit),
      655: TagDefinition("zone-a/curve", convert.tenth),
      656: TagDefinition("zone-b/day-target-temperature", convert.tenth),
      657: TagDefinition("zone-b/night-target-temperature", convert.tenth),
      658: TagDefinition("zone-b/antifreeze-target-temperature", convert.tenth),
      659: TagDefinition("zone-b/mode", convert.derog_bit)
  }
  
  WRITE_TABLE = {
      "zone-a/program/SET" : WriteTagDefinition(231, convert.write_unit), 
      "zone-a/day-target-temperature/SET" : WriteTagDefinition(650, convert.write_tenth),
      "zone-a/night-target-temperature/SET" : WriteTagDefinition(651, convert.write_tenth) 
  }
subject: Correct address