# HG changeset patch
# User Luke Mewburn <luke@mewburn.net>
# Date 1587358811 -36000
# Node ID 7c9214a5f0954f0cde2b7be82a46c03440e71dbb
# Parent  e2fa1e9c6aa9dfd85ebfa1bc2f18cef27f4f190d
csv_to_fd: support empty flags

diff -r e2fa1e9c6aa9 -r 7c9214a5f095 contrib/tools/csv_to_fd
--- a/contrib/tools/csv_to_fd	Mon Apr 20 14:48:17 2020 +1000
+++ b/contrib/tools/csv_to_fd	Mon Apr 20 15:00:11 2020 +1000
@@ -413,6 +413,8 @@
             result.append('AVP_FLAG_VENDOR')
         if 'M' in flags:
             result.append('AVP_FLAG_MANDATORY')
+        if not result:
+            return '0';
         return ' |'.join(result)
 
     def add_comment(self, comment):