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/pyclbr.py b/Lib/pyclbr.py
index 9e6bcb0..0812e22 100644
--- a/Lib/pyclbr.py
+++ b/Lib/pyclbr.py
@@ -222,7 +222,7 @@
                         else:
                             super.append(token)
                     inherit = names
-                cur_class = Class(module, class_name, inherit, file, lineno)
+                cur_class = Class(fullmodule, class_name, inherit, file, lineno)
                 if not stack:
                     dict[class_name] = cur_class
                 stack.append((cur_class, thisindent))