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

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

Author: pre-commit-ci[bot]

README.md

@@ -82,7 +82,7 @@ python -u unet_training_array.py --max_epochs 2 --batch_size 1 --num_workers 2
 
 If the logs show decreasing training loss and a Dice score, the setup is correct.
 
-**Note:** In most cases, users can run MONAI tutorials directly in Colab notebooks without additional installation.  
+**Note:** In most cases, users can run MONAI tutorials directly in Colab notebooks without additional installation.
 The steps above are mainly for resolving dependency conflicts when installing extra packages.
 
 #### Data