./data/example_10.py:12:15: F821 undefined name 'LdbModel'
    >>> ldb = LdbModel(corpus=mm, id2word=id2word, num_topics=100, distributed=True)
              ^
./data/example_10.py:12:31: F821 undefined name 'mm'
    >>> ldb = LdbModel(corpus=mm, id2word=id2word, num_topics=100, distributed=True)
                              ^
./data/example_10.py:12:43: F821 undefined name 'id2word'
    >>> ldb = LdbModel(corpus=mm, id2word=id2word, num_topics=100, distributed=True)
                                          ^
