def __init__(self, motor_bob):
        if not isinstance(motor_bob, motor.MotorBulkOperationBuilder):
            raise TypeError(
                "Expected MotorBulkOperationBuilder, got %r" % motor_bob)

        self.delegate = motor_bob
dataset/ETHPy150Open mongodb/motor/synchro/__init__.py/BulkOperationBuilder.__init__/original