Standard weekly patch release

[1.3.8] - 2021-07-01

Fixed

• Fixed a sync deadlock when checkpointing a LightningModule that uses a torchmetrics 0.4 Metric (#8218)
• Fixed compatibility TorchMetrics v0.4 (#8206)
• Added torchelastic check when sanitizing GPUs (#8095)
• Fixed a DDP info message that was never shown (#8111)
• Fixed metrics deprecation message at module import level (#8163)
• Fixed a bug where an infinite recursion would be triggered when using the BaseFinetuning callback on a model that contains a ModuleDict (#8170)
• Added a mechanism to detect deadlock for DDP when only 1 process trigger an Exception. The mechanism will kill the processes when it happens (#8167)
• Fixed NCCL error when selecting non-consecutive device ids (#8165)
• Fixed SWA to also work with IterableDataset (#8172)

Contributors

@GabrielePicco @SeanNaren @ethanwharris @carmocca @tchaton @justusschock