Wandb

:bug: Bug Fix

- Fix issue where files were always logged to latest run in a project.
- Fix issue where url was not display url on first call to wandb.init

:bug: Bug Fix

- Handle multiple inits in Jupyter
- Handle ValueError's when capturing signals, thanks jsbroks
- wandb agent handles rate limiting properly

:nail_care: Enhancement

- wandb.Artifact is now generally available!
- feature_importances now supports CatBoost, thanks neomatrix369

:bug: Bug Fix

- Catch all exceptions when saving Jupyter sessions
- validation_data automatically set in TF >= 2.2
- _implements_\* hooks now implemented in keras callback for TF >= 2.2

:nail_care: Enhancement

- Raw source code saving now disabled by default
- We now support global settings on boot to enable code saving on the server
- New `code_save=True` argument to wandb.init to enable code saving manually

:bug: Bug Fix

- Ensure cells don't hang on completion
- Fixed jupyter integration in PyCharm shells
- Made session history saving handle None metadata in outputs

:nail_care: Enhancement

- Save session history in jupyter notebooks
- Kaggle internet enable notification
- Extend wandb.plots.feature_importances to work with more model types, thanks neomatrix369!

:bug: Bug Fix

- Code saving for jupyter notebooks restored
- Fixed thread errors in jupyter
- Ensure final history rows aren't dropped in jupyter

:nail_care: Enhancement

- Add default class labels for semantic segmentation
- Enhance bounding box API to be similar to semantic segmentation API

:bug: Bug Fix

- Increase media table rows to improve ROC/PR curve logging
- Fix issue where pre binned histograms were not being handled properly
- Handle nan values in pytorch histograms
- Fix handling of binary image masks