Update VariationalAutoencoderRunner
Update VariationalAutoencoderRunner

-Fixed print styling
-Spaced import statements according to PEP 8
derekjchow/models,tombstone/models,alexgorban/models,cshallue/models,sshleifer/object_detection_kitti,alexgorban/models,sshleifer/object_detection_kitti,sshleifer/object_detection_kitti,tombstone/models,jiaphuan/models,jiaphuan/models,cshallue/models,derekjchow/models,sshleifer/object_detection_kitti,cshallue/models,cshallue/models,jiaphuan/models,tombstone/models,jiaphuan/models,cshallue/models,tombstone/models,sshleifer/object_detection_kitti,alexgorban/models,derekjchow/models,sshleifer/object_detection_kitti,derekjchow/models,derekjchow/models,alexgorban/models,jiaphuan/models,alexgorban/models,tombstone/models,tombstone/models,jiaphuan/models