[ python-Bugs-1513802 ] Changing the name of a variable causes an exception

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Bugs item #1513802, was opened at 2006-06-28 13:11
Message generated for change (Settings changed) made by arunarunarun
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Category: Python Interpreter Core
Group: Python 2.4
Status: Open
Resolution: None
Priority: 5
Submitted By: Arun (arunarunarun)
Assigned to: Nobody/Anonymous (nobody)
>Summary: Changing the name of a variable causes an exception

Initial Comment:
[Python n00b alert]

I'm trying this little script, and I see an exception like:

Exception exceptions.AttributeError: "'NoneType' object
has no attribute 'refcount'" in <bound method
Shape.__del__ of Line> ignored

If I change the variable name 's1' to something like
's4', I don't see this exception. Also, if I manually
delete the object before the script ends, the exception
does not occur.

Seems that class Shape is destroyed before all it's
objects are destroyed. Is this acceptable?

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