[firstboot] Catch module errors and print a meaningful error message

[Martin Gracik <mgracik@xxxxxxxxxx>]

---
 firstboot/interface.py |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/firstboot/interface.py b/firstboot/interface.py
index ce0ff50..5834010 100644
--- a/firstboot/interface.py
+++ b/firstboot/interface.py
@@ -343,6 +343,11 @@ class Interface(object):
         currentModule = self.moduleList[self._control.currentPage]
 
         currentModule.initializeUI()
+        if currentModule.vbox is None:
+            err = _("Module %s did not setup it's UI properly") % currentModule.title
+            logging.error(err)
+            raise RuntimeError, err
+
         self.rightBox.pack_start(currentModule.vbox)
         currentModule.focus()
         self.win.show_all()
-- 
1.7.5.4

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