#NEWLINE# def test_expired_column( self ) : #NEWLINE# #INDENT# ( A , B ) = self . classes ( 'A' , 'B' ) #NEWLINE# sess = Session ( ) #NEWLINE# b1 = B ( data = 'x' ) #NEWLINE# sess . add ( b1 ) #NEWLINE# sess . flush ( ) #NEWLINE# sess . expire ( b1 , [ 'data' ] ) #NEWLINE# eq_ ( b1 . data , 'x' )