window-list: Silence KeyWrror message when closing a toplevel

applets/wf-window-list/__init__.py

@@ -603,6 +603,8 @@ class WFWindowList(panorama_panel.Applet):

                                
                                
                                
                            
                                
                                    
                                        
                                            603  
                                                        self.set_app_id(button, app_id)
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            604  
                                            
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            605  
                                                def on_closed(self, handle):
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        606 +
                                                if handle not in self.toplevel_buttons:
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        607 +
                                                    return
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            608  
                                                    button: WindowButton = self.toplevel_buttons[handle]
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            609  
                                                    wf_id = button.wf_ipc_id
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            610  
                                                    if handle in self.toplevel_buttons: