Fix psf/black issues than fail the build

Author: cclauss

README.md

@@ -18,7 +18,7 @@ Read our [Contribution Guidelines](CONTRIBUTING.md) before you contribute.
 
 ## Community Channel
 
-We're on [Gitter](https://gitter.im/TheAlgorithms)! Please join us.
+We're on [Gitter](https://gitter.im/TheAlgorithms)!  Please join us.
 
 ## List of Algorithms