code: def payment_wait(self, account, amount, timeout):
          
  
          account = self._process_value(account, 'account')
          amount = self._process_value(amount, 'int')
          timeout = self._process_value(timeout, 'int')
  
          payload = {"account": account, "amount": amount, "timeout": timeout}
  
          resp = self.call('payment_wait', payload)
  
          return resp['status'] == 'success'
docs: Wait for payment of **amount** to arrive in **account** or until **timeout**
          milliseconds have elapsed.
  
          :param account: Account to wait for payment
          :type account: str
  
          :param amount: Amount in raw of funds to wait for payment to arrive
          :type amount: int
  
          :param timeout: Timeout in milliseconds to wait for
          :type timeout: int
  
          :raises: :py:exc:`nano.rpc.RPCException`
  
          >>> rpc.payment_wait(
          ...     account="xrb_3e3j5tkog48pnny9dmfzj1r16pg8t1e76dz5tmac6iq689wyjfpi00000000",
          ...     amount=1,
          ...     timeout=1000
          ... )
          True