Specifiy value for window restore list

qtgui/mainwindow.py

@@ -95,7 +95,7 @@ class RecentlyOpenedSessions(object):
         assert len(self.data) <= 3, len(self.data)
 
 
-    def get(self):
+    def get(self)->list:
         sessionList = api.sessionList()
         self.data = [n for n in self.data if n in sessionList]
         return self.data
@@ -356,9 +356,17 @@ class MainWindow(QtWidgets.QMainWindow):
             "tab": lambda i: self.ui.tabbyCat.setCurrentIndex(int(i)),
         }
 
+        types = {
+            "recentlyOpenedSessions": list,
+            "tab": int,
+        }
+
         for key in settings.allKeys():
-            if key in actions: #if not it doesn't matter. this is all uncritical.
-                actions[key](settings.value(key))
+            if key in actions: #if not it doesn't matter. this is all uncritical.                
+                if key in types:
+                    actions[key](settings.value(key), type=types[key])
+                else:
+                    actions[key](settings.value(key))
 
         if self.systemTray.available and settings.contains("visible") and settings.value("visible") == "false":
             self.setVisible(False)