--- a/Helpviewer/HelpIndexWidget.py Sun Jun 29 14:00:30 2014 +0200 +++ b/Helpviewer/HelpIndexWidget.py Sun Jun 29 20:13:56 2014 +0200 @@ -9,8 +9,9 @@ from __future__ import unicode_literals -from PyQt4.QtCore import pyqtSignal, Qt, QUrl, QEvent -from PyQt4.QtGui import QWidget, QVBoxLayout, QLabel, QLineEdit, QMenu, QDialog +from PyQt5.QtCore import pyqtSignal, Qt, QUrl, QEvent +from PyQt5.QtWidgets import QWidget, QVBoxLayout, QLabel, QLineEdit, QMenu, \ + QDialog class HelpIndexWidget(QWidget):