PEP-0318, @decorator-style. In Guido's words:
"@ seems the syntax that everybody can hate equally"
Implementation by Mark Russell, from SF #979728.
diff --git a/Lib/compiler/symbols.py b/Lib/compiler/symbols.py
index e1581a4..9d4605a 100644
--- a/Lib/compiler/symbols.py
+++ b/Lib/compiler/symbols.py
@@ -224,6 +224,8 @@
     visitExpression = visitModule
 
     def visitFunction(self, node, parent):
+        if node.decorators:
+            self.visit(node.decorators, parent)
         parent.add_def(node.name)
         for n in node.defaults:
             self.visit(n, parent)