[Tune] Log the choice of RunConfig only when passed into both trainer + tuner
#33454
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Why are these changes needed?
This PR fixes a log that was getting output when it shouldn't have. The
RunConfigcan be specified in both the Trainer and the Tuner. When it's passed into both, then the one passed to the Tuner will be preferred, and Tune will emit this as a log. However, there was an incorrect ordering in the code that caused this log to be output every time, even if no config was passed to the Trainer. All the cases are covered in the unit test now.Related issue number
Checks
git commit -s) in this PR.scripts/format.shto lint the changes in this PR.method in Tune, I've added it in
doc/source/tune/api/under thecorresponding
.rstfile.