code: def get_builder(self, corpus):
          ''' creates a builder object for a wordlist '''
          builder = WordBuilder(chunk_size=self.chunk_size)
          builder.ingest(corpus)
          return buildef get_builder(self, corpus):
          ''' creates a builder object for a wordlist '''
          builder = WordBuilder(chunk_size=self.chunk_size)
          builder.ingest(corpus)
          return builder
docs: creates a builder object for a wordlist