old_contents: # jsb package
  #
  #
  
  """ jsb core package. """
  
  __version__ = "0.6.1.1"
  
  import warnings
  warnings.simplefilter('ignore')
  
new_contents: # jsb package
  #
  #
  
  """ jsb core package. """
  
  __version__ = "0.6.1.3"
  
  import warnings
  warnings.simplefilter('ignore')
  
subject: update lib version