# HG changeset patch
# User cmlenz
# Date 1184344408 0
# Node ID 4052570f109da746f53fe69902cad1f89efab509
# Parent  9a6981c953957eba9d11cc6f95f31343c73fcd8c
More robust handling of argument indices in message extraction.

diff --git a/babel/messages/extract.py b/babel/messages/extract.py
--- a/babel/messages/extract.py
+++ b/babel/messages/extract.py
@@ -220,7 +220,7 @@
         for lineno, funcname, messages, comments in results:
             if isinstance(messages, (list, tuple)):
                 msgs = []
-                for index in keywords[funcname]:
+                for index in keywords[funcname] or (1,):
                     msgs.append(messages[index - 1])
                 messages = tuple(msgs)
                 if len(messages) == 1: