--- a/src/eric7/JediInterface/RefactoringPreviewDialog.py	Wed Jul 13 11:16:20 2022 +0200
+++ b/src/eric7/JediInterface/RefactoringPreviewDialog.py	Wed Jul 13 14:55:47 2022 +0200
@@ -18,10 +18,11 @@
     """
     Class implementing a dialog to preview refactoring changes.
     """
+
     def __init__(self, title, diff, parent=None):
         """
         Constructor
-        
+
         @param title title string to be shown above the diff
         @type str
         @param diff changes to be shown (unified diff)
@@ -31,11 +32,12 @@
         """
         super().__init__(parent)
         self.setupUi(self)
-        
+
         self.buttonBox.addButton(
-            self.tr("&Apply Changes"), QDialogButtonBox.ButtonRole.AcceptRole)
-        
+            self.tr("&Apply Changes"), QDialogButtonBox.ButtonRole.AcceptRole
+        )
+
         self.highlighter = DiffHighlighter(self.previewEdit.document())
-        
+
         self.titleLabel.setText(title)
         self.previewEdit.setPlainText(diff)