From 8139b39dedc3dc99d310d082f6edb10d2303a1ce Mon Sep 17 00:00:00 2001
From: antialias <antialias@leap.se>
Date: Wed, 21 Nov 2012 11:06:19 -0800
Subject: added if callable sanity check.

---
 src/leap/base/checks.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/leap/base/checks.py b/src/leap/base/checks.py
index 587012fb..e5767018 100644
--- a/src/leap/base/checks.py
+++ b/src/leap/base/checks.py
@@ -152,8 +152,10 @@ class LeapNetworkChecker(object):
         @type error_matrix: tuples strings and call backs
         """
         for line in log:
+            # we could compile a regex here to save some cycles up -- kali
             for each in error_matrix:
                 error, callbacks = each
                 if error in line:
                     for cb in callbacks:
-                        cb()
+                        if callable(cb):
+                            cb()
-- 
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