def tokenize_documents(docs):
    """Convert the imported documents to :py:class:'~estnltk.text.Text' instances."""
    sep = '\n\n'
    texts = []
    for doc in docs:
        text = '\n\n'.join(['\n'.join(para[SENTENCES]) for para in doc[PARAGRAPHS]])
        doc[TEXT] = text
        del doc[PARAGRAPHS]
        texts.append(Text(doc))
    return texts