[issue35330] When using mock to wrap an existing object, side_effect requires return_value

[Karthikeyan Singaravelan]

Karthikeyan Singaravelan <tir.karthi at gmail.com> added the comment:

A little more discussion over side_effect and return_value precedence : issue22541

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35330>
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