Update prototype.py

Author: yhay81

patterns/creational/prototype.py

@@ -17,7 +17,7 @@
 Below provides an example of such Dispatcher, which contains three
 copies of the prototype: 'default', 'objecta' and 'objectb'.
 
-*TL;DR	
+*TL;DR
 Creates new object instances by cloning prototype.
 """