From 9e7464db9885b1b68d5d032c1e3a93ec6ae96edf Mon Sep 17 00:00:00 2001
From: David Shea <dshea@redhat.com>
Date: Mar 16 2015 16:42:52 +0000
Subject: Do not attempt to set None as a warning


---

diff --git a/pyanaconda/ui/gui/hubs/__init__.py b/pyanaconda/ui/gui/hubs/__init__.py
index 8d388aa..a139bb2 100644
--- a/pyanaconda/ui/gui/hubs/__init__.py
+++ b/pyanaconda/ui/gui/hubs/__init__.py
@@ -88,6 +88,8 @@ class Hub(GUIObject, common.Hub):
         self._inSpoke = False
         self._notReadySpokes = []
         self._spokes = {}
+
+        # Used to store the last result of _updateContinue
         self._warningMsg = None
 
         self._checker = None
@@ -228,9 +230,11 @@ class Hub(GUIObject, common.Hub):
         # info bar with incomplete spoke messages when the hub starts
         if warning != self._warningMsg:
             self.clear_info()
-            self.set_warning(warning)
             self._warningMsg = warning
 
+            if warning:
+                self.set_warning(warning)
+
         self._updateContinueButton()
 
     @property