diff -r ffeb85cdc72d -r 441956d8fce5 Helpviewer/UserAgent/UserAgentsDialog.py
--- a/Helpviewer/UserAgent/UserAgentsDialog.py Sun Jun 29 14:00:30 2014 +0200
+++ b/Helpviewer/UserAgent/UserAgentsDialog.py Sun Jun 29 20:13:56 2014 +0200
@@ -9,7 +9,9 @@
from __future__ import unicode_literals
-from PyQt4.QtGui import QDialog, QFont, QFontMetrics, QSortFilterProxyModel
+from PyQt5.QtCore import QSortFilterProxyModel
+from PyQt5.QtGui import QFont, QFontMetrics
+from PyQt5.QtWidgets import QDialog
import Helpviewer.HelpWindow
