sage: z = SR.var('z')
sage: CyclotomicField(2)['z'].fraction_field()(2*(4*z + 5)/((z + 1)*(z - 1)^4))

raises an error but shouldn't. This issue is also mentioned on #24539.

AFAICS it worked in earlier SageMath versions, but probably due to #23664 (unchecked) it stopped working.

CC: @cheuberg @mezzarobba

Component: algebra

Author: Daniel Krenn

Branch/Commit: 1a3cc58

Reviewer: Marc Mezzarobba

Issue created by migration from https://trac.sagemath.org/ticket/26150