[issue43029] unittest: Add assertUniqeIn

[Terry J. Reedy]

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

I think you meant assertEqual(len(alist), len(set(alist))).  I agree with others.

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nosy: +terry.reedy
resolution:  -> rejected
stage: patch review -> resolved
status: open -> closed
type:  -> enhancement
versions: +Python 3.10

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43029>
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