old_contents: from .enums import WayType, WayEvent, LineType, POIType, PlatformType, LineTypes
  from .misc import Serializable, Coordinates, LiveTime
  from .ids import IDs, FrozenIDs, IFOPT, StopIFOPT, StopAreaIFOPT, PlatformIFOPT
  
  
  __all__ = ['WayType', 'WayEvent', 'LineType', 'POIType', 'PlatformType', 'LineTypes',
             'Serializable', 'Coordinates', 'LiveTime',
             'IDs', 'FrozenIDs', 'IFOPT', 'StopIFOPT', 'StopAreaIFOPT', 'PlatformIFOPT']
  
new_contents: from .enums import WayType, WayEvent, WalkSpeed, LineType, POIType, PlatformType, LineTypes
  from .misc import Serializable, Coordinates, LiveTime
  from .ids import IDs, FrozenIDs, IFOPT, StopIFOPT, StopAreaIFOPT, PlatformIFOPT
  
  
  __all__ = ['WayType', 'WayEvent', 'WalkSpeed', 'LineType', 'POIType', 'PlatformType', 'LineTypes',
             'Serializable', 'Coordinates', 'LiveTime',
             'IDs', 'FrozenIDs', 'IFOPT', 'StopIFOPT', 'StopAreaIFOPT', 'PlatformIFOPT']
  
subject: fix missing import in types.__init__