fixes

app/core/models/content/user_content.py

@@ -28,6 +28,7 @@ class UserContent(AlchemyBase, UserContentIndexationMixin):
     wallet_connection = relationship('WalletConnection', uselist=False, foreign_keys=[wallet_connection_id])
     content = relationship('StoredContent', uselist=False, foreign_keys=[content_id])
 
+
 class UserAction(AlchemyBase):
     __tablename__ = 'users_actions'