#18514: Upgrade of group cohomology spkg
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Reporter: SimonKing | Owner:
Type: defect | Status: needs_work
Priority: major | Milestone: sage-6.8
Component: packages: | Resolution:
optional | Merged in:
Keywords: group cohomology | Reviewers:
Authors: Simon King | Work issues: Create a new-style
Report Upstream: None of the above | package with least effort
- read trac for reasoning. | Commit:
Branch: | Stopgaps:
Dependencies: #18494 |
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Comment (by SimonKing):
Replying to [comment:46 jdemeyer]:
> I guess it's because of the Cython upgrade.
Probably. That error (somewhere doing `mutable = True, mutable = True`) is
fixed. But the Singular pickling error is likely to be tricky.
Until recently, pickling of an object in the Singular interface resulted
in a pickle that couldn't be unpickled, and my spkg could cope with it. By
a recent change that I authored, pickling an object in the Singular
interface works more likely, BUT fails with an error if it is not defined
in the current base ring. So, now I get an error, where previously I just
had a partial pickle.
--
Ticket URL: <http://trac.sagemath.org/ticket/18514#comment:47>
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