'transform.
Transform documents to word-id matrix.
Convert words to ids with vocabulary fitted with fit or the one
provided in the constructor.
Arguments:
raw_documents: An iterable which yield either str or unicode.
Yields:
X: iterable, [n_samples, max_document_length] Word-id matrix.'

def transform(self, raw_documents):

    return super(VocabularyProcessor, self).transform(raw_documents)
