[issue21982] Idle configDialog: fix regression and add minimal unittest

Change by Terry J. Reedy : -- assignee: -> terry.reedy components: +IDLE ___ Python tracker ___ ___ Python-bugs-list mailing list U

[issue21982] Idle configDialog: fix regression and add minimal unittest

Terry J. Reedy added the comment: Thanks for catching this. Either I misread pyflakes output or it has a bug. In either case, I should have searched this one like I did some others. The htest caught this. I added a minimal unittest that initially failed, covers half the module, and now passes