[issue41300] IDLE: add missing import io in iomenu.py

[Terry J. Reedy]

Terry J. Reedy <tjreedy at udel.edu> added the comment:


New changeset 38d3864efe914fda64553e2ec75c9ec15574483f by Terry Jan Reedy in branch 'master':
 bpo-41300: IDLE - save files with non-ascii chars  (GH-21512)
https://github.com/python/cpython/commit/38d3864efe914fda64553e2ec75c9ec15574483f


----------

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue41300>
_______________________________________