--- a/eric7/PyUnit/UnittestDialog.py	Mon May 17 19:58:15 2021 +0200
+++ b/eric7/PyUnit/UnittestDialog.py	Tue May 18 18:19:47 2021 +0200
@@ -126,8 +126,9 @@
         self.__forProject = False
         
         self.setWindowFlags(
-            self.windowFlags() | Qt.WindowFlags(
-                Qt.WindowType.WindowContextHelpButtonHint))
+            self.windowFlags() |
+            Qt.WindowType.WindowContextHelpButtonHint
+        )
         self.setWindowIcon(UI.PixmapCache.getIcon("eric"))
         self.setWindowTitle(self.tr("Unittest"))
         if dbs: