AttributeError: 'set' object has no attribute 'append'

[nicolas-raoul]

Originally reported on Google Code with ID 40

I have just had a crash after clicking on a news item (screenshot attached):

Traceback (most recent call last):
  File "/usr/bin/feedindicator", line 695, in menuitem_response
    self.cacheread.append(mdhash);
AttributeError: 'set' object has no attribute 'append'

With the "Submenu for each feed" option turned off.
Feedindicator continues to run normally, but the news item is not marked as read.
I guess it is just a sub-process that dies.

Using version 1.04
Always reproducible.

Reported by nicolas.raoul on 2012-08-21 04:51:37

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- _Attachment: feedindicator-crash.png
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