Check if CometLogger experiment is alive #19915
Merged
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What does this PR do?
A tiny patch to align how the CometLogger class checks if the the underlying Comet Experiment object it holds needs to be reactivated. Solves cases where CometClient suddenly stops being able to log (e.g due to another Experiment instance being created by any other source).
Fixes #19900
PR review
📚 Documentation preview 📚: https://pytorch-lightning--19915.org.readthedocs.build/en/19915/