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## Summary
Fixes#12734
I have started with simply checking if any arguments that are providing
extra values to the log message are calls to `str` or `repr`, as
suggested in the linked issue. There was a concern that this could cause
false positives and the check should be more explicit. I am happy to
look into that if I have some further examples to work with.
If this is the accepted solution then there are more cases to add to the
test and it should possibly also do test for the same behavior via the
`extra` keyword.
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## Test Plan
I have added a new test case and python file to flake8_logging_format
with examples of this anti-pattern.
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44fc87f491