def close_db_connection(db):
    db._adapter.connection.close()
Append the first leaf token's subtypes.
dataset/ETHPy150Open ferhensil/flask-example/db.py/close_db_connection--crossover with--dataset/ETHPy150Open google/yapf/yapf/yapflib/subtype_assigner.py/_SubtypeAssigner._AppendFirstLeafTokenSubtype