src/sage/categories/coxeter_groups.py: Mark a doctest # optional - sage.symbolic

Matthias Koeppe · Matthias Koeppe · commit c6714aaee9ae · 2022-02-27T18:23:47.000-08:00
diff --git a/src/sage/categories/coxeter_groups.py b/src/sage/categories/coxeter_groups.py
@@ -1710,7 +1710,7 @@ def length(self):
                 sage: w.length()
                 3
                 sage: W = CoxeterGroups().example()
-                sage: sum((x^w.length()) for w in W) - expand(prod(sum(x^i for i in range(j+1)) for j in range(4))) # This is scandalously slow!!!
+                sage: sum((x^w.length()) for w in W) - expand(prod(sum(x^i for i in range(j+1)) for j in range(4))) # This is scandalously slow!!!  # optional - sage.symbolic
                 0
 
             .. SEEALSO::

Original file line number	Diff line number	Diff line change
`@@ -1710,7 +1710,7 @@ def length(self):`
`1710`	`1710`	`sage: w.length()`
`1711`	`1711`	`3`
`1712`	`1712`	`sage: W = CoxeterGroups().example()`
`1713`		`- sage: sum((x^w.length()) for w in W) - expand(prod(sum(x^i for i in range(j+1)) for j in range(4))) # This is scandalously slow!!!`
	`1713`	`+ sage: sum((x^w.length()) for w in W) - expand(prod(sum(x^i for i in range(j+1)) for j in range(4))) # This is scandalously slow!!! # optional - sage.symbolic`
`1714`	`1714`	`0`
`1715`	`1715`
`1716`	`1716`	`.. SEEALSO::`