--- a/eric7/Plugins/VcsPlugins/vcsMercurial/HgExtension.py	Sun May 16 11:43:59 2021 +0200
+++ b/eric7/Plugins/VcsPlugins/vcsMercurial/HgExtension.py	Sun May 16 20:07:24 2021 +0200
@@ -7,7 +7,7 @@
 Module implementing the base class for Mercurial extension interfaces.
 """
 
-from PyQt5.QtCore import QObject
+from PyQt6.QtCore import QObject
 
 
 class HgExtension(QObject):