human
Complete the below
def _SynchronizeTxn(function):

    ''''A decorator that locks a transaction during the function call.'
    '''
 Can you provide a the Python code you requested?
assistant
#Here is the Python code you requested.
    def sync(txn, *args, **kwargs):
        txn._lock.acquire()
        try:
            Check((txn._state is LiveTxn.ACTIVE), 'transaction    closed')
            return function(txn, *args, **kwargs)
        finally:
            txn._lock.release()
    return sync