wrong entry for hidden in reaction table2

qtgui/mainwindow.py

@@ -326,20 +326,19 @@ class MainWindow(QtWidgets.QMainWindow):
             "geometry":self.restoreGeometry,
             "windowState":self.restoreState,
             "recentlyOpenedSessions":self.recentlyOpenedSessions.load,
-            "visible":self.recentlyOpenedSessions.load,            
+            "tab": lambda i: self.ui.tabbyCat.setCurrentIndex(int(i)),
-            "tab": lambda i: self.ui.tabbyCat.setCurrentIndex(int(i)),            
         }
 
         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 self.systemTray.available and settings.contains("visible") and settings.value("visible") == "false":
             self.setVisible(False)
         else:
             self.setVisible(True) #This is also the default state if there is no config
 
- 
+
 class SessionController(object):
     """Controls the StackWidget that contains the Session Tree, Open Session/Client and their
     quick and easy variants.
@@ -391,7 +390,7 @@ class SessionController(object):
             action.setEnabled(state)
 
         if state and not self.openSessionController.clientTabe.clientsTreeWidget.currentItem():
-            state = False #we wanted to activate, but there is no client selected. 
+            state = False #we wanted to activate, but there is no client selected.
         for action in self.ui.menuClientNameId.actions():
             action.setEnabled(state)