Class NoSuchElementError

source code

              object --+                    
                       |                    
exceptions.BaseException --+                
                           |                
        exceptions.Exception --+            
                               |            
        exceptions.StandardError --+        
                                   |        
              exceptions.LookupError --+    
                                       |    
                     exceptions.KeyError --+
                                           |
                                          NoSuchElementError

Raised whenever an element cannot be found in a package.