From 5df92bad4af78a79f82f6a5acde9a2b77cd3a76f Mon Sep 17 00:00:00 2001
From: Fabio Erculiani <lxnay@sabayon.org>
Date: Thu, 1 Sep 2011 11:32:22 +0200
Subject: [PATCH] [entropy.qa] trivial code update

---
 libraries/entropy/qa.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/entropy/qa.py b/libraries/entropy/qa.py
index fde52e044..6ce56a6f5 100644
--- a/libraries/entropy/qa.py
+++ b/libraries/entropy/qa.py
@@ -267,7 +267,7 @@ class QAInterface(TextInterface, EntropyPluginStore):
         @rtype: dict
         """
 
-        if not isinstance(black_list, set):
+        if black_list is None:
             black_list = set()
 
         scan_msg = blue(_("Searching for missing Runtime dependencies"))