#16341: discover_action() fails for unhashable elements
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       Reporter:  saraedum                 |        Owner:
           Type:  defect                   |       Status:  needs_review
       Priority:  minor                    |    Milestone:  sage-6.3
      Component:  coercion                 |   Resolution:
       Keywords:                           |    Merged in:
        Authors:  Julian Rueth             |    Reviewers:
Report Upstream:  N/A                      |  Work issues:
         Branch:  u/saraedum/ticket/16341  |       Commit:
   Dependencies:                           |     Stopgaps:
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Changes (by {'newvalue': u'Julian Rueth', 'oldvalue': ''}):

 * status:  new => needs_review
 * author:   => Julian Rueth


Old description:

> The following currently fails::
> {{{
> sage: R.<a> = ZqCA(9)
> sage: E=EllipticCurve_from_j(0)
> sage: E=E.base_extend(R)
> sage: P=E.an_element()
> sage: 2*P
> TypeError: unhashable type:
> 'sage.rings.padics.padic_ZZ_pX_CA_element.pAdicZZpXCAElement'
> }}}

New description:

 The following currently fails
 {{{
 sage: R.<a> = ZqCA(9)
 sage: E=EllipticCurve_from_j(0)
 sage: E=E.base_extend(R)
 sage: P=E.an_element()
 sage: 2*P
 TypeError: unhashable type:
 'sage.rings.padics.padic_ZZ_pX_CA_element.pAdicZZpXCAElement'
 }}}

--

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Ticket URL: <http://trac.sagemath.org/ticket/16341#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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