Clean up button types

novelwriter/dialogs/preferences.py

@@ -45,7 +45,7 @@ from novelwriter.extensions.modified import (
 )
 from novelwriter.extensions.pagedsidebar import NPagedSideBar
 from novelwriter.extensions.switch import NSwitch
-from novelwriter.types import QtAlignCenter
+from novelwriter.types import QtAlignCenter, QtRoleAccept, QtRoleReject
 
 logger = logging.getLogger(__name__)
 
@@ -97,8 +97,8 @@ class GuiPreferences(NDialog):
         self.btnCancel.clicked.connect(self.reject)
 
         self.btnBox = QDialogButtonBox(self)
-        self.btnBox.addButton(self.btnSave, QDialogButtonBox.ButtonRole.AcceptRole)
-        self.btnBox.addButton(self.btnCancel, QDialogButtonBox.ButtonRole.RejectRole)
+        self.btnBox.addButton(self.btnSave, QtRoleAccept)
+        self.btnBox.addButton(self.btnCancel, QtRoleReject)
 
         # Assemble
         self.searchBox = QHBoxLayout()