add exception handling

diff --git a/lib/python/Plugins/SystemPlugins/FrontprocessorUpgrade/plugin.py b/lib/python/Plugins/SystemPlugins/FrontprocessorUpgrade/plugin.py
index 94c81c05453f14d34fd61900f2cc4a6b3af13603..407f1ade02b8b9176bb4c1f670c70dc82bd94b77 100644 (file)
--- a/lib/python/Plugins/SystemPlugins/FrontprocessorUpgrade/plugin.py
+++ b/lib/python/Plugins/SystemPlugins/FrontprocessorUpgrade/plugin.py
@@ -5,7 +5,10 @@ from Plugins.Plugin import PluginDescriptor
 
 def getUpgradeVersion():
        import os
-       r = os.popen("fpupgrade --version").read()
+       try:
+               r = os.popen("fpupgrade --version").read()
+       except IOError:
+               return None
        if r[:16] != "FP update tool v":
                return None
        else: