On Thu, Nov 19, 2009 at 11:57 AM, Harald Schilly <harald.schi...@gmail.com> wrote: > This is from the "report a problem" link in the notebook:
Thanks. I've replicated it and made it trac 7516: http://trac.sagemath.org/sage_trac/ticket/7516 > > If you have a vector space, that is a quotient of a subspace of > another vector space, then after coercing elements into it, something > goes wrong in (un)pickling it. > > {{{ > sage: V = VectorSpace(QQ, 2) > sage: W = V.subspace([V([1,1])]) > sage: Z = W.subspace([]) > sage: WmodZ = W / Z > sage: WmodZ(W(0)) > (0) > sage: loads(dumps(WmodZ)) > --------------------------------------------------------------------------- > AttributeError Traceback (most recent call last) > > /home/bosman/sage/<ipython console> in <module>() > > /home/bosman/sage-4.2-linux-Ubuntu_9.04-i686-Linux/local/lib/python2.6/site-packages/sage/structure/sage_object.so > in sage.structure.sage_object.loads > (sage/structure/sage_object.c:8769)() > > /home/bosman/sage-4.2-linux-Ubuntu_9.04-i686-Linux/local/lib/python2.6/site-packages/sage/modules/free_module.pyc > in __hash__(self) > 4576 True > 4577 """ > -> 4578 return hash(self.__basis) > 4579 > 4580 def construction(self): > > AttributeError: 'FreeModule_submodule_field' object has no attribute > '_FreeModule_submodule_with_basis_pid__basis' > }}} > > -- > To post to this group, send an email to sage-devel@googlegroups.com > To unsubscribe from this group, send an email to > sage-devel-unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/sage-devel > URL: http://www.sagemath.org -- William Stein Associate Professor of Mathematics University of Washington http://wstein.org -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org