[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

pytorch_lightning/plugins/collective/horovod_collective.py

@@ -39,8 +39,8 @@ def __init__(
     def join(self) -> None:
         """Horovod function that indicates that the rank finished processing data.
 
-        All ranks that did not call join() continue to process allreduce operations. This function blocks the Python thread
-        until all ranks join.
+        All ranks that did not call join() continue to process allreduce operations. This function blocks the Python
+        thread until all ranks join.
         """
         if self.on_gpu:
             hvd.join(self.local_rank)

pytorch_lightning/plugins/collective/torch_collective.py

@@ -84,7 +84,7 @@ def reduce(
         If local_reduce = True (dp and ddp2), reduces tensor from all local processes.
 
         If local_reduce = False (ddp, ddpspawning and extentions), reduces a tensor from several distributed processes
-        
+
         Args:
             tensor: the tensor to sync and reduce
             group: the process group to gather results from. Defaults to all processes (world)