Hi Franco,

Is it possible that your patch under positive review in the sage-combinat queue

trac_13243-new_methods_for_compositions-fs.patch

breaks the queue for sage-5.2.rc0 due to an import error in 
/combinat/compositions.py.

sage.categories.graded_enumerated_sets import GradedEnumeratedSets

Does the patch apply cleanly on sage-5.2.rc0?

Best,

Anne


---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)

/Applications/sage-5.2.rc0/local/lib/python2.7/site-packages/IPython/ipmaker.pyc
 in force_import(modname, force_reload)
     61         reload(sys.modules[modname])
     62     else:
---> 63         __import__(modname)
     64
     65

/Applications/sage-5.2.rc0/local/bin/ipy_profile_sage.py in <module>()
      5     preparser(True)
      6
----> 7     import sage.all_cmdline
      8     sage.all_cmdline._init_cmdline(globals())
      9

/Applications/sage-5.2.rc0/local/lib/python2.7/site-packages/sage/all_cmdline.py
 in <module>()
     12 try:
     13
---> 14     from sage.all import *
     15     from sage.calculus.predefined import x
     16     preparser(on=True)

/Applications/sage-5.2.rc0/local/lib/python2.7/site-packages/sage/all.py in 
<module>()
     78 from sage.modules.all    import *
     79 from sage.monoids.all    import *
---> 80 from sage.algebras.all   import *
     81 from sage.modular.all    import *
     82 from sage.schemes.all    import *

/Applications/sage-5.2.rc0/local/lib/python2.7/site-packages/sage/algebras/all.py
 in <module>()
     34 from group_algebra_new import GroupAlgebra
     35
---> 36 from iwahori_hecke_algebra import IwahoriHeckeAlgebraT
     37 from affine_nil_temperley_lieb import AffineNilTemperleyLiebTypeA
     38 from nil_coxeter_algebra import NilCoxeterAlgebra

/Applications/sage-5.2.rc0/local/lib/python2.7/site-packages/sage/algebras/iwahori_hecke_algebra.py
 in <module>()
     10 
#*****************************************************************************
     11 from sage.categories.all import AlgebrasWithBasis, 
FiniteDimensionalAlgebrasWithBasis, CoxeterGroups
---> 12 import sage.combinat.root_system.cartan_type
     13 from sage.combinat.root_system.weyl_group import WeylGroup
     14 from sage.combinat.family import Family

/Applications/sage-5.2.rc0/local/lib/python2.7/site-packages/sage/combinat/root_system/__init__.py
 in <module>()
     11 import type_G
     12
---> 13 import all
     14
     15

/Applications/sage-5.2.rc0/local/lib/python2.7/site-packages/sage/combinat/root_system/all.py
 in <module>()
----> 1
      2
      3 from associahedron import Associahedron
      4 from cartan_type import CartanType
      5 from dynkin_diagram import DynkinDiagram, dynkin_diagram
      6 from cartan_matrix import cartan_matrix
      7 from coxeter_matrix import coxeter_matrix

/Applications/sage-5.2.rc0/local/lib/python2.7/site-packages/sage/combinat/root_system/associahedron.py
 in <module>()
     20 #                  http://www.gnu.org/licenses/
     21 
#*****************************************************************************
---> 22 from sage.geometry.polyhedron.backend_ppl import Polyhedron_QQ_ppl
     23 from sage.combinat.root_system.cartan_type import CartanType
     24 from sage.modules.free_module_element import vector

/Applications/sage-5.2.rc0/local/lib/python2.7/site-packages/sage/geometry/__init__.py
 in <module>()
----> 1
      2
      3 import all
      4
      5

/Applications/sage-5.2.rc0/local/lib/python2.7/site-packages/sage/geometry/all.py
 in <module>()
----> 1
      2
      3 from cone import Cone
      4
      5 from fan import Fan, FaceFan, NormalFan, Fan2d
      6
      7 from fan_morphism import FanMorphism

/Applications/sage-5.2.rc0/local/lib/python2.7/site-packages/sage/geometry/cone.py
 in <module>()
    200 import warnings
    201
--> 202 from sage.combinat.posets.posets import FinitePoset
    203 from sage.geometry.lattice_polytope import LatticePolytope, 
integral_length
    204 from sage.geometry.point_collection import PointCollection

/Applications/sage-5.2.rc0/local/lib/python2.7/site-packages/sage/combinat/posets/__init__.py
 in <module>()
      1 # this file shouldn't be empty :)
      2
----> 3 import all
      4
      5

/Applications/sage-5.2.rc0/local/lib/python2.7/site-packages/sage/combinat/posets/all.py
 in <module>()
      5 from lattices import JoinSemilattice
      6
----> 7 from poset_examples import posets, Posets
      8
      9 
###########################################################################

/Applications/sage-5.2.rc0/local/lib/python2.7/site-packages/sage/combinat/posets/poset_examples.py
 in <module>()
     21 from sage.misc.classcall_metaclass import ClasscallMetaclass
     22 import sage.categories.posets
---> 23 from sage.combinat.permutation import Permutations, Permutation
     24 from sage.combinat.posets.posets import Poset, FinitePosets_n
     25 from sage.combinat.posets.lattices import LatticePoset

/Applications/sage-5.2.rc0/local/lib/python2.7/site-packages/sage/combinat/permutation.py
 in <module>()
     33 from sage.combinat.tools import transitive_ideal
     34 import sage.combinat.subword as subword
---> 35 from sage.combinat.composition import Composition, Composition_class
     36 import tableau
     37 import sage.combinat.partition

/Applications/sage-5.2.rc0/local/lib/python2.7/site-packages/sage/combinat/composition.py
 in <module>()
     30
     31 from sage.categories.infinite_enumerated_sets import 
InfiniteEnumeratedSets
---> 32 from sage.categories.graded_enumerated_sets import GradedEnumeratedSets
     33 from sage.structure.parent import Parent
     34 from sage.misc.misc import deprecated_function_alias

ImportError: No module named graded_enumerated_sets
Error importing ipy_profile_sage - perhaps you should run %upgrade?
WARNING: Loading of ipy_profile_sage failed.

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