<filename>models/__init__.py
from .artist import Artist, ArtistEncoder, ArtistDecoder
from .song import Song
from .artist_stats import ArtistStats, ArtistStatsEncoder, ArtistStatsDecoder
<filename>models/__init__.py
from .artist import Artist, ArtistEncoder, ArtistDecoder
from .song import Song
from .artist_stats import ArtistStats, ArtistStatsEncoder, ArtistStatsDecoder