old_contents: __all__ = ["chunk", "region", "world", "nbt"]
  from . import *
  
  VERSION = (1, 2)
  
  def _get_version():
  	return ".".join(VERSION)
  
new_contents: __all__ = ["chunk", "region", "world", "nbt"]
  from . import *
  
  VERSION = (1, 3)
  
  def _get_version():
  	return ".".join(VERSION)
  
subject: Bump version number to signify non-backward compatible change