--- a/eric6/VirtualEnv/VirtualenvInterpreterSelectionDialog.py Mon Mar 01 17:48:43 2021 +0100 +++ b/eric6/VirtualEnv/VirtualenvInterpreterSelectionDialog.py Tue Mar 02 17:17:09 2021 +0100 @@ -52,7 +52,7 @@ Private method to update the enabled status of the OK button. """ interpreterPath = self.pythonExecPicker.text() - self.buttonBox.button(QDialogButtonBox.Ok).setEnabled( + self.buttonBox.button(QDialogButtonBox.StandardButton.Ok).setEnabled( bool(interpreterPath) and os.path.isfile(interpreterPath) and os.access(interpreterPath, os.X_OK)