CAN NOT GET CFD historicalData

[viponedream]

#!/usr/bin/env python

-- coding:utf-8 --

from ibpythonic import ibConnection, message from ibapi.contract import Contract from datetime import datetime , timedelta

! [cfdcontract]

contract = Contract() contract.symbol = "IBDE30" contract.secType = "CFD" contract.currency = "EUR" contract.exchange = "SMART"

! [cfdcontract]

def processHistoricalData(msg): print(msg) conn = ibConnection(port=4002, clientId=0) conn.register(processHistoricalData, message.historicalData) conn.connect() conn.reqContractDetails(1, contract) queryTime = datetime.today().strftime("%Y%m%d %H:%M:%S") conn.reqHistoricalData(4101, contract, queryTime,"1 M", "1 day", "TRADES", 1, 1, False, [])

conn.disconnect()

================================================== it says: No historical market data for IBDE30/CFD@UKBBO Last 1d-

but the same contract use the offical api, it gets well. can anyone help me?