[Twisted-Python] attribute error when I am trying to make one factory to send data to another

[Jessica Tsui]

Hi Pantelis, sorry for bothering you again. But I just ran the code and it
still has error with the line
self.factory.app.echoFactory().dataReceived(receivermessage)
as well as
for echoer in self.factory.app.multiechofactory.echoers

the errors are  'ServerApp' object has no attribute 'echoFactory' and no
'multiechofactory' respectively
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