#NEWLINE# def prev_orm( self ) : #NEWLINE# #INDENT# if getattr ( self . migration_class ( ) , 'symmetrical' , False ) : #NEWLINE# #INDENT# return self . orm ( ) #NEWLINE# #UNINDENT# previous = self . previous ( ) #NEWLINE# if ( previous is None ) : #NEWLINE# #INDENT# return FakeORM ( None , self . app_label ( ) ) #NEWLINE# #UNINDENT# return previous . orm ( )