#14471: Exception KeyError: in WeakValueDictionary remove ignored
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Reporter: vbraun | Owner: rlm
Type: defect | Status: new
Priority: major | Milestone: sage-5.10
Component: memleak | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by vbraun):
The [attachment:debug_ignored_exceptions.patch] is a backport from
Python-3.3 to give better diagnosis of ignored exceptions. With it, I get
{{{
Exception ignored in: <function remove at 0x2472938>
Traceback (most recent call last):
File "/home/vbraun/opt/sage-5.9.beta5/local/lib/python/weakref.py",
line 51, in remove
del self.data[wr.key]
KeyError: (((<class 'sage.categories.algebras.Algebras'>, Callable
function ring with arguments (x, y)), ()),)
}}}
so the !KeyError really comes from the !WeakValueDictionary remove
callback.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14471#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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