#5625: [with patch, needs review] group cohomology -- bad error messages; should
indicate an optional package is needed
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Reporter: was | Owner: joyner
Type: defect | Status: new
Priority: major | Milestone: sage-4.1.1
Component: group_theory | Keywords:
Reviewer: | Author:
Merged: |
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Comment(by jhpalmieri):
Here's a patch. Skimming through the Sage source code, it seems that in
other cases we usually raise a RuntimeError when an optional package is
needed but not installed, so that's what I've done here.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5625#comment:1>
Sage <http://sagemath.org/>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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