#16364: Installing ChomP causes ChainComplex to return incorrect answers
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       Reporter:  dunfield                       |        Owner:
           Type:  defect                         |       Status:  new
       Priority:  major                          |    Milestone:  sage-6.4
      Component:  packages: optional             |   Resolution:
       Keywords:                                 |    Merged in:
        Authors:                                 |    Reviewers:
Report Upstream:  Reported upstream. No          |  Work issues:
  feedback yet.                                  |       Commit:
         Branch:                                 |     Stopgaps:
   Dependencies:                                 |
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Changes (by jhpalmieri):

 * upstream:  N/A => Reported upstream. No feedback yet.


Comment:

 Several comments: first, there is a new version of CHomP: see
 https://github.com/shaunharker/CHomP, but it does not fix these problems
 (at least the second one: the first is a problem with Sage's interface
 with CHomP, so that's our fault). Second, because of the second problem,
 we obviously need to catch this kind of error to avoid producing
 nonsensical answers. (It would also be nice to fix CHomP. I'll email the
 developer.)

--
Ticket URL: <http://trac.sagemath.org/ticket/16364#comment:4>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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