old_contents: 
  
  from os import path
  
  from nlplib.core.model import Database
  
  __all__ = ['builtin_db']
  
  def _src (file_path, name) :
      return path.join(path.split(file_path)[0], name)
  
  def builtin_db (name='builtin.db', *args, **kw) :
      return Database(r'sqlite:///' + _src(__file__, name), *args, **kw)
  
  def __demo__ () :
      from nlplib.core.model import Access, Word
  
      with builtin_db() as session :
          access = Access(session)
          print(len(access.all_documents()))
          for word in access.most_prevalent(Word, top=10) :
              print(repr(word))
  
  if __name__ == '__main__' :
      __demo__()
  
  
new_contents: 
  from os import path
  
  from nlplib.core.model import Database
  
  __all__ = ['builtin_db']
  
  def _src (file_path, name) :
      return path.join(path.split(file_path)[0], name)
  
  def builtin_db (*args, name='builtin.db', **kw) :
      return Database(r'sqlite:///' + _src(__file__, name), *args, **kw)
  
  def __demo__ () :
      from nlplib.core.model import Access, Word
  
      with builtin_db() as session :
          access = Access(session)
          print(len(access.all_documents()))
          for word in access.most_prevalent(Word, top=10) :
              print(repr(word))
  
  if __name__ == '__main__' :
      __demo__()
  
  
subject: Update __init__.py