--- a/eric7/Plugins/VcsPlugins/vcsMercurial/HgCommitDialog.py	Mon May 17 19:58:15 2021 +0200
+++ b/eric7/Plugins/VcsPlugins/vcsMercurial/HgCommitDialog.py	Tue May 18 18:19:47 2021 +0200
@@ -33,8 +33,7 @@
         @param merge flag indicating a merge commit (boolean)
         @param parent parent widget (QWidget)
         """
-        super().__init__(
-            parent, Qt.WindowFlags(Qt.WindowType.Window))
+        super().__init__(parent, Qt.WindowType.Window)
         self.setupUi(self)
         
         self.__vcs = vcs