old_contents: import levinson_lpc
  from levinson_lpc import *
  __all__ = levinson_lpc.__all__
  
new_contents: import levinson_lpc
  from levinson_lpc import *
  __all__ = levinson_lpc.__all__
  
  from common import lpcres
  __all__ += ['lpcres']
  
subject: Add lpcres in linpred namespace.