From e219fad8bf72cc0e23be7add8a82a770c50e26f2 Mon Sep 17 00:00:00 2001
From: Miroslav Stampar <miroslav.stampar@gmail.com>
Date: Mon, 7 Jan 2013 18:19:48 +0100
Subject: [PATCH] Added a short comment

---
 lib/techniques/union/use.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/techniques/union/use.py b/lib/techniques/union/use.py
index 70ba87121..58cdbb162 100644
--- a/lib/techniques/union/use.py
+++ b/lib/techniques/union/use.py
@@ -263,6 +263,7 @@ def unionUse(expression, unpack=True, dump=False):
                                 items = parseUnionPage(output)
 
                                 with kb.locks.value:
+                                    # in case that we requested N columns and we get M!=N then we have to filter a bit
                                     if isListLike(items) and len(items) > 1 and len(expressionFieldsList) > 1:
                                         items = [item for item in items if isListLike(item) and len(item) == len(expressionFieldsList)]
                                     index = None