trac 22779 undo change in simplicial set morphism

sagemath · Apr 7, 2017 · 0d3b15a · 0d3b15a
1 parent bd4921e
commit 0d3b15a
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/sage/homology/simplicial_set_morphism.py b/src/sage/homology/simplicial_set_morphism.py
@@ -484,7 +484,7 @@ def __init__(self, data=None, domain=None, codomain=None,
             if constant is not None:
                 self._constant = constant
                 check = False
-                data = {sigma: constant.apply_degeneracies(*list(range(sigma.dimension()-1,-1,-1)))
+                data = {sigma: constant.apply_degeneracies(*range(sigma.dimension()-1,-1,-1))
                         for sigma in domain.nondegenerate_simplices()}
 
         if (not isinstance(domain, SimplicialSet_arbitrary)
@@ -635,7 +635,7 @@ def __call__(self, x):
             raise ValueError('element is not a simplex in the domain')
         if self.is_constant():
             target = self._constant
-            return target.apply_degeneracies(*list(range(x.dimension()-1,-1,-1)))
+            return target.apply_degeneracies(*range(x.dimension()-1, -1, -1))
         if self._is_identity:
             return x
         return self._dictionary[x.nondegenerate()].apply_degeneracies(*x.degeneracies())