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Message #30349

Re: [Question #261417]: onAppear(): TypeError 'NoneType' object is not callable when use observe() --- second parameter must be the name of a handler function

To: sikuli-driver@xxxxxxxxxxxxxxxxxxx
From: RaiMan <question261417@xxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 30 Jan 2015 07:31:38 -0000
Reply-to: question261417@xxxxxxxxxxxxxxxxxxxxx
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Question #261417 on Sikuli changed:
https://answers.launchpad.net/sikuli/+question/261417

    Status: Open => Answered

RaiMan proposed the following answer:
see https://answers.launchpad.net/sikuli/+question/261418

the 
MyPrint("In General")

is executed at the time, the interpreter sees the line with onAppear()
and turns this 2nd parameter into None (the return of MyPrint()).

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