#NEWLINE# def describe( self ) : #NEWLINE# #INDENT# if self . from_engine : #NEWLINE# #INDENT# from_clause = ' from {}' . format ( from_clause . from_engine ) #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# from_clause = '' #NEWLINE# #UNINDENT# return 'Alter storage engine for {model}{from_clause} to {engine}' . format ( model = self . name , from_clause = from_clause , engine = self . engine )