async def METHOD_NAME(
    session: sa.orm.Session, block_type_slug: str, db: PrefectDBInterface
):
    """
    Reads a block type by slug.
    Args:
        session: A database session
        block_type_slug: a block type slug
    Returns:
        db.BlockType: an ORM block type model
    """
    result = await session.execute(
        sa.select(db.BlockType).where(db.BlockType.slug == block_type_slug)
    )
    return result.scalar()