./data/example_7.py:31:9: E302 expected 2 blank lines, found 0
    >>> class EpochSaver(CallbackAny2Vec):
        ^
./data/example_7.py:39:88: E501 line too long (90 > 79 characters)
    ...         output_path = get_tmpfile('{}_epoch{}.model'.format(self.path_prefix, self.epoch))
                                                                                       ^
