[widgets] changed negative testing logic

beat/editor/widgets/mainwindow.py

@@ -45,9 +45,9 @@ class MainWindow(QMainWindow):
 
         # MainWindow settings
         settings = QSettings()
-        if not settings.value("geometry") is None:
+        if settings.value("geometry") is not None:
             self.restoreGeometry(settings.value("geometry"))
-        if not settings.value("windowState") is None:
+        if settings.value("windowState") is not None:
             self.restoreState(settings.value("windowState"))
 
         menubar = self.menuBar()