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Segfaults

Errors

    TypeError: sage.structure.parent.Set_generic.__new__(Set_object_enumerated) is not safe, use sage.structure.wrapper_parent.WrapperParent_model1.__new__()

sage: pi in QQ
---------------------------------------------------------------------------
<type 'exceptions.AttributeError'>        Traceback (most recent call last)

/opt/sage-2.10.1/devel/sage-main/sage/sets/<ipython console> in <module>()

/opt/sage-2.10.1/devel/sage-main/sage/sets/parent.pyx in sage.structure.parent.Parent.__contains__ (sage/structure/parent.c:2221)()

/opt/sage-2.10.1/devel/sage-main/sage/sets/parent.pyx in sage.structure.parent.Parent.__call__ (sage/structure/parent.c:1993)()

/opt/sage-2.10.1/devel/sage-main/sage/sets/morphism.pyx in sage.categories.morphism.Morphism.__call__ (sage/categories/morphism.c:2677)()

/opt/sage-2.10.1/devel/sage-main/sage/sets/coerce_maps.pyx in sage.structure.coerce_maps.NamedConvertMorphism._call_ (sage/structure/coerce_maps.c:3414)()

<type 'exceptions.AttributeError'>: 'Pi' object has no attribute '_rational_'