Stopgap for #16397 (symbolic cmp)

[rwst]

This keeps coming up, see #16397 and eg https://groups.google.com/forum/#!topic/sage-support/EURoGn-Nxzk

Component: symbolics

Reviewer: Volker Braun

Issue created by migration from https://trac.sagemath.org/ticket/19465

[rwst]

Branch: u/rws/stopgap_for__16397__symbolic_cmp_

[rwst]

Commit: 3980451

[rwst]

New commits:

3980451

19465: stopgap for 16397

[jdemeyer]

comment:3

Please be more specific than "this code".

[jdemeyer]

comment:4

Also: author name?

[sagetrac-git]

Changed commit from 3980451 to 57c6cad