./data/example_4.py:14:9: F401 'gensim.models.AuthorTopicModel' imported but unused
    >>> from gensim.models import AuthorTopicModel
        ^
./data/example_4.py:15:9: F401 'gensim.corpora.mmcorpus' imported but unused
    >>> from gensim.corpora import mmcorpus
        ^
./data/example_4.py:16:9: F401 'gensim.test.utils.common_dictionary' imported but unused
    >>> from gensim.test.utils import common_dictionary, datapath, temporary_file
        ^
./data/example_4.py:16:9: F401 'gensim.test.utils.datapath' imported but unused
    >>> from gensim.test.utils import common_dictionary, datapath, temporary_file
        ^
./data/example_4.py:16:9: F401 'gensim.test.utils.temporary_file' imported but unused
    >>> from gensim.test.utils import common_dictionary, datapath, temporary_file
        ^
