1.5.5 release

Author: awaelchli

CHANGELOG.md

@@ -18,11 +18,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Fixed a bug that caused incorrect batch indices to be passed to the `BasePredictionWriter` hooks when using a dataloader with `num_workers > 0` ([#10870](https://github.com/PyTorchLightning/pytorch-lightning/pull/10870))
 - Fixed an issue with item assignment on the logger on rank > 0 for those who support it ([#10917](https://github.com/PyTorchLightning/pytorch-lightning/pull/10917))
 - Fixed importing `torch_xla.debug` for `torch-xla<1.8` ([#10836](https://github.com/PyTorchLightning/pytorch-lightning/pull/10836))
-
 - Fixed an issue with `DDPSpawnPlugin` and related plugins leaving a temporary checkpoint behind ([#10934](https://github.com/PyTorchLightning/pytorch-lightning/pull/10934))
-
-
-- Fixed TypeError cause failure in `singal_connector` `teardown` method by adding None check ([#10961](https://github.com/PyTorchLightning/pytorch-lightning/pull/10961))
+- Fixed a `TypeError` occuring in the `SingalConnector.teardown()` method ([#10961](https://github.com/PyTorchLightning/pytorch-lightning/pull/10961))
 
 
 ## [1.5.4] - 2021-11-30