#NEWLINE# def retrieve( self , path ) : #NEWLINE# #INDENT# "\n        Delegate to this L{DelegatingRetriever}'s C{retriever}'s C{retrieve}\n        method, then post-process it with C{resultRetrieved}.\n        " #NEWLINE# subResult = self . retriever . retrieve ( path ) #NEWLINE# if ( path is None ) : #NEWLINE# #INDENT# return None #NEWLINE# #UNINDENT# return self . resultRetrieved ( path , subResult )