modified imports of NN in combinat

src/sage/combinat/cluster_complex.py

@@ -50,7 +50,7 @@
 from sage.categories.coxeter_groups import CoxeterGroups
 from sage.combinat.root_system.coxeter_group import CoxeterGroup
 from sage.combinat.subword_complex import SubwordComplex, SubwordComplexFacet
-from sage.rings.semirings.non_negative_integer_semiring import NN
+from sage.rings.semirings.all import NN
 
 
 class ClusterComplexFacet(SubwordComplexFacet):

src/sage/combinat/crystals/tensor_product.py

@@ -51,7 +51,7 @@
         TensorProductOfSuperCrystalsElement, TensorProductOfQueerSuperCrystalsElement)
 from sage.misc.flatten import flatten
 from sage.structure.element import get_coercion_model
-from sage.rings.semirings.non_negative_integer_semiring import NN
+from sage.rings.semirings.all import NN
 from sage.arith.misc import integer_trunc as trunc
 
 

src/sage/combinat/integer_lists/nn.py

@@ -1,6 +1,6 @@
 from sage.sets.family import Family
 from sage.combinat.integer_lists import IntegerListsLex
-from sage.rings.semirings.non_negative_integer_semiring import NN
+from sage.rings.semirings.all import NN
 from sage.sets.disjoint_union_enumerated_sets import DisjointUnionEnumeratedSets
 
 

src/sage/combinat/interval_posets.py

@@ -48,7 +48,7 @@
 from sage.misc.latex import latex
 from sage.misc.lazy_attribute import lazy_attribute
 from sage.rings.integer import Integer
-from sage.rings.semirings.non_negative_integer_semiring import NN
+from sage.rings.semirings.all import NN
 from sage.sets.non_negative_integers import NonNegativeIntegers
 from sage.sets.disjoint_union_enumerated_sets import DisjointUnionEnumeratedSets
 from sage.sets.family import Family

src/sage/combinat/non_decreasing_parking_function.py

@@ -38,7 +38,7 @@
 from sage.categories.infinite_enumerated_sets import InfiniteEnumeratedSets
 from sage.categories.sets_with_grading import SetsWithGrading
 from sage.categories.monoids import Monoids
-from sage.rings.semirings.non_negative_integer_semiring import NN
+from sage.rings.semirings.all import NN
 from sage.rings.integer import Integer
 from sage.structure.element import Element
 from sage.structure.parent import Parent

src/sage/combinat/partition.py

@@ -307,7 +307,7 @@
 from sage.rings.finite_rings.integer_mod_ring import IntegerModRing
 from sage.rings.integer_ring import ZZ
 from sage.rings.rational_field import QQ
-from sage.rings.semirings.non_negative_integer_semiring import NN
+from sage.rings.semirings.all import NN
 from sage.arith.all import factorial, gcd
 from sage.rings.polynomial.polynomial_ring_constructor import PolynomialRing
 from sage.rings.integer import Integer

src/sage/combinat/partition_kleshchev.py

@@ -85,7 +85,7 @@
 from sage.misc.lazy_attribute import lazy_attribute
 from sage.rings.finite_rings.integer_mod_ring import IntegerModRing
 from sage.rings.integer_ring import ZZ
-from sage.rings.semirings.non_negative_integer_semiring import NN
+from sage.rings.semirings.all import NN
 from sage.cpython.getattr import getattr_from_other_class
 
 from collections import defaultdict

src/sage/combinat/partition_tuple.py

@@ -267,7 +267,7 @@ class of modules for the algebras, which are generalisations of the Specht
 from sage.misc.cachefunc import cached_method
 from sage.rings.finite_rings.integer_mod_ring import IntegerModRing
 from sage.rings.integer_ring import ZZ
-from sage.rings.semirings.non_negative_integer_semiring import NN
+from sage.rings.semirings.all import NN
 from sage.rings.integer import Integer
 from sage.sets.positive_integers import PositiveIntegers
 from sage.structure.parent import Parent

src/sage/combinat/path_tableaux/semistandard.py

@@ -85,7 +85,7 @@
 from sage.combinat.tableau import Tableau
 from sage.combinat.gelfand_tsetlin_patterns import GelfandTsetlinPattern
 from sage.combinat.partition import _Partitions
-from sage.rings.semirings.non_negative_integer_semiring import NN
+from sage.rings.semirings.all import NN
 
 ###############################################################################
 

src/sage/combinat/posets/poset_examples.py

@@ -612,7 +612,7 @@ def IntegerPartitionsDominanceOrder(n):
              [[4, 2], [5, 1]],
              [[5, 1], [6]]]
         """
-        from sage.rings.semirings.non_negative_integer_semiring import NN
+        from sage.rings.semirings.all import NN
         if n not in NN:
             raise ValueError('n must be an integer')
         from sage.combinat.partition import Partitions, Partition
@@ -963,7 +963,7 @@ def SetPartitions(n):
             sage: posets.SetPartitions(4)
             Finite lattice containing 15 elements
         """
-        from sage.rings.semirings.non_negative_integer_semiring import NN
+        from sage.rings.semirings.all import NN
         if n not in NN:
             raise ValueError('n must be an integer')
         from sage.combinat.set_partition import SetPartitions

src/sage/combinat/root_system/cartan_type.py

@@ -594,7 +594,7 @@ def __call__(self, *args):
         if isinstance(t, (CartanType_abstract, SuperCartanType_standard)):
             return t
 
-        from sage.rings.semirings.non_negative_integer_semiring import NN
+        from sage.rings.semirings.all import NN
         if isinstance(t, str):
             if "x" in t:
                 from . import type_reducible

src/sage/combinat/root_system/root_lattice_realizations.py

@@ -3833,7 +3833,7 @@ def is_dominant_weight(self): # Or is_dominant_integral_weight?
                True
             """
             alphacheck = self.parent().simple_coroots()
-            from sage.rings.semirings.non_negative_integer_semiring import NN
+            from sage.rings.semirings.all import NN
             return all(self.inner_product(alphacheck[i]) in NN
                        for i in self.parent().index_set())
 

src/sage/combinat/root_system/type_super_A.py

@@ -442,7 +442,7 @@ def is_dominant_weight(self):
             """
             alpha = self.parent().simple_roots()
             l = self.parent().cartan_type().symmetrizer()
-            from sage.rings.semirings.non_negative_integer_semiring import NN
+            from sage.rings.semirings.all import NN
             return all(l[i] * self.inner_product(alpha[i]) in NN
                        for i in self.parent().index_set())
 

src/sage/combinat/sine_gordon.py

@@ -45,7 +45,7 @@
 
 from sage.rings.integer_ring import ZZ
 from sage.rings.real_mpfr import RR
-from sage.rings.semirings.non_negative_integer_semiring import NN
+from sage.rings.semirings.all import NN
 from sage.functions.trig import cos, sin
 from sage.plot.plot import parametric_plot
 from sage.plot.graphics import Graphics

src/sage/combinat/symmetric_group_algebra.py

@@ -215,7 +215,7 @@ def SymmetricGroupAlgebra(R, W, category=None):
         sage: SGg.group().conjugacy_classes_representatives()
         [(), (1,2), (1,2,3)]
     """
-    from sage.rings.semirings.non_negative_integer_semiring import NN
+    from sage.rings.semirings.all import NN
     if W in NN:
         W = Permutations(W)
     if category is None:

src/sage/combinat/tableau_tuple.py

@@ -231,7 +231,7 @@
 from sage.arith.all import factorial
 from sage.rings.finite_rings.integer_mod_ring import IntegerModRing
 from sage.rings.integer import Integer
-from sage.rings.semirings.non_negative_integer_semiring import NN
+from sage.rings.semirings.all import NN
 from sage.sets.disjoint_union_enumerated_sets import DisjointUnionEnumeratedSets
 from sage.sets.family import Family
 from sage.sets.positive_integers import PositiveIntegers

src/sage/combinat/words/abstract_word.py

@@ -833,7 +833,7 @@ def delta(self):
             word: 1211222112112112221122211222112112112221...
         """
         from sage.combinat.words.word import Word
-        from sage.rings.semirings.non_negative_integer_semiring import NN
+        from sage.rings.semirings.all import NN
         return Word(self._delta_iterator(), alphabet=NN)
 
     def _iterated_right_palindromic_closure_iterator(self, f=None):