Indent a literal block some more so that it is picked up as a literal block and not just as a paragraph in a numbered list.

pep-0380.txt

@@ -182,14 +182,14 @@ except that, as currently, the exception cannot be caught by
 
 3. The StopIteration exception behaves as though defined thusly::
 
-   class StopIteration(Exception):
+       class StopIteration(Exception):
 
-       def __init__(self, *args):
-           if len(args) > 0:
-               self.value = args[0]
-           else:
-               self.value = None
-           Exception.__init__(self, *args)
+           def __init__(self, *args):
+               if len(args) > 0:
+                   self.value = args[0]
+               else:
+                   self.value = None
+               Exception.__init__(self, *args)
 
 
 Rationale