Assign Variables before use

bzr-revno: 1785

openlp/core/ui/exceptionform.py

@@ -178,6 +178,8 @@ class ExceptionForm(QtGui.QDialog, Ui_ExceptionDialog):
             'Please add the information that bug reports are favoured written '
             'in English.'))
         content = self._createReport()
+        source = u''
+        exception = u''
         for line in content[2].split(u'\n'):
             if re.search(r'[/\\]openlp[/\\]', line):
                 source = re.sub(r'.*[/\\]openlp[/\\](.*)".*', r'\1', line)