Merge with 3.4
diff --git a/Lib/idlelib/configHandler.py b/Lib/idlelib/configHandler.py
index 3d75189..531efb4 100644
--- a/Lib/idlelib/configHandler.py
+++ b/Lib/idlelib/configHandler.py
@@ -395,7 +395,7 @@
             theme = self.GetOption('main', 'Theme', 'name', default='')
         source = self.defaultCfg if default else self.userCfg
         if source['highlight'].has_section(theme):
-                return theme
+            return theme
         else:
             return "IDLE Classic"