Thank you very much!
 
You are right. It should be 'r+' mode, ^_^
 
From: Daniel Sank
Date: 2013-11-20 14:59
To: Twisted general discussion
Subject: Re: [Twisted-Python] How to call remote server method to read a file on the server machine useing perspective broker ?
Did you try reading the error message?
 
I don't think 'wr' is an allowed mode for open()
 
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