--- a/eric7/WebBrowser/QtHelp/HelpIndexWidget.py	Sun May 16 11:43:59 2021 +0200
+++ b/eric7/WebBrowser/QtHelp/HelpIndexWidget.py	Sun May 16 20:07:24 2021 +0200
@@ -7,8 +7,8 @@
 Module implementing a window for showing the QtHelp index.
 """
 
-from PyQt5.QtCore import pyqtSignal, pyqtSlot, Qt, QUrl, QEvent
-from PyQt5.QtWidgets import (
+from PyQt6.QtCore import pyqtSignal, pyqtSlot, Qt, QUrl, QEvent
+from PyQt6.QtWidgets import (
     QWidget, QVBoxLayout, QLabel, QLineEdit, QMenu, QDialog, QApplication
 )
 
@@ -62,6 +62,7 @@
             self.__disableSearchEdit)
         self.__engine.indexModel().indexCreated.connect(
             self.__enableSearchEdit)
+        # TODO: change code to use documentActivated and documentsActivated
         self.__index.linkActivated.connect(self.__linkActivated)
         self.__index.linksActivated.connect(self.__linksActivated)
         self.__index.customContextMenuRequested.connect(