Trac #34872: AdditiveAbelianGroup_class.exponent() returns a Python int for the trivial group

Release Manager · Release Manager · commit f9f0324eade6 · 2023-02-11T20:07:19.000+01:00
{{{#!sage sage: type(AdditiveAbelianGroup([]).exponent()) <class 'int'> }}} URL: https://trac.sagemath.org/34872 Reported by: lorenz Ticket author(s): Lorenz Panny Reviewer(s): Matthias Koeppe
diff --git a/src/sage/groups/additive_abelian/additive_abelian_group.py b/src/sage/groups/additive_abelian/additive_abelian_group.py
@@ -352,7 +352,7 @@ def exponent(self):
             1
         """
         if not self.invariants():
-            return 1
+            return ZZ(1)
         else:
             ann =  self.annihilator().gen()
             if ann:

Original file line number	Diff line number	Diff line change
`@@ -352,7 +352,7 @@ def exponent(self):`
`352`	`352`	`1`
`353`	`353`	`"""`
`354`	`354`	`if not self.invariants():`
`355`		`- return 1`
	`355`	`+ return ZZ(1)`
`356`	`356`	`else:`
`357`	`357`	`ann = self.annihilator().gen()`
`358`	`358`	`if ann:`