#11919: Issue when pickling a formal function
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Reporter: cdsousa | Owner: was
Type: defect | Status: new
Priority: minor | Milestone: sage-4.7.2
Component: pickling | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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There is a problem in symbolic function pickling:
{{{
sage: x = var('x'); f = function('f',x) ; s = dumps(f) ; loads(s)
RuntimeError: unknown function 'f' in archive
}}}
The error was not present in Sage 4.7 but it is in newer versions.
It was suggested (http://groups.google.com/group/sage-
support/browse_thread/thread/b439844f2fa0b675) that it is related to
Pynac.
Pynac was updated to 0.2.2 (sage-4.7.1.alpha1) and then to 0.2.3
(sage-4.7.1.alpha4) according to sage 7.4.1 changelog.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11919>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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