AleksanderWWW

## What does this PR do This PR aims to fix a bug that appears when using `NeptuneCallback` with `run=None` and at least one of the `capture_*` params set. ###...

Thank you @amyeroberts ! Let me wait for my colleagues at Neptune to share their thoughts on my proposal :smiley:

Hey @amyeroberts It seems that the `integration_utils.py` module has become very long and rather hard to navigate. It's difficult to find what you're looking for and making changes in more...

@amyeroberts I thought of something similar to what `pytorch_lightning` has: https://github.com/Lightning-AI/pytorch-lightning/tree/master/src/lightning/pytorch/loggers The root could be the already existing `integrations` package, but each provider (e.g. Neptune, CometML, etc.) has its own...

> If you'd like to open a PR I'd be very happy to review :) Will do :)

The failing CI test `ModelUtilsTest.test_use_safetensors` doesn't seem to have anything to do with my changes. Is it possible to maybe rerun it?

@amyeroberts will you merge it once the checks pass? :rocket:

@amyeroberts Done :smiley:

## What this PR does The issue is that the `__exit__` method in the `MetadataContainer` takes precedence over the traceback background job. The result is that this: ``` run =...

@sgugger Do you know more or less when will that be released?