[docs] [issue28315] incorrect "in ?" output in 'divide' example at "Defining Clean-up Actions" in tutorial

[Terry J. Reedy]

Terry J. Reedy added the comment:

Mariatta, please continue with this and assign to yourself.  I now have IDLE PRs to review and apply.

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assignee: terry.reedy -> 

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue28315>
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