如何在Colab中安装和使用IB API？

!apt-get install -y xvfb x11-utils
!pip install ibapi

!wget https://download2.interactivebrokers.com/installers/tws/latest-standalone/tws-latest-standalone-linux-x64.sh

!chmod +x tws-latest-standalone-linux-x64.sh
!./tws-latest-standalone-linux-x64.sh -q

!Xvfb :1 -screen 0 1024x768x24 -ac +extension GLX +render -noreset &> xvfb.log &

!DISPLAY=:1 ./tws

from ibapi.client import EClient
from ibapi.wrapper import EWrapper

class MyWrapper(EWrapper):
    def nextValidId(self, orderId: int):
        print("Next Valid Order ID:", orderId)
        self.disconnect()

app = EClient(MyWrapper())
app.connect("127.0.0.1", 7497, clientId=0)
app.run()