Class Empty

source code

              object --+                        
                       |                        
exceptions.BaseException --+                    
                           |                    
        exceptions.Exception --+                
                               |                
                  MessagingError --+            
                                   |            
                           LinkError --+        
                                       |        
                           ReceiverError --+    
                                           |    
                                  FetchError --+
                                               |
                                              Empty

Exception raised by Receiver.fetch when there is no message available within the alloted time.