Bug #22427: Fix recursive template evaluation
--- python/univention/config_registry.py	(Revision 24117)
+++ python/univention/config_registry.py	(Arbeitskopie)
@@ -353,9 +353,9 @@
 		except StopIteration:
 			break
 
-	while 1:
-		i = execute_token.finditer(template)
-		try:
+	i = execute_token.finditer(template)
+	try:
+		while True:
 			start = i.next()
 			end = i.next()
 
@@ -372,10 +372,9 @@
 			value=child_stdout.read()
 			child_stdout.close()
 			template = template[:start.start()]+value+template[end.end():]
+	except StopIteration:
+		pass
 
-		except StopIteration:
-			break
-
 	return template
 
 def runScript(script, arg, changes):