#NEWLINE# def test_std_dev_property_works_as_expected( self ) : #NEWLINE# #INDENT# expected = 1.5 #NEWLINE# item = DataPoint ( ) #NEWLINE# item . std_dev = expected #NEWLINE# actual = item . std_dev #NEWLINE# self . assertEqual ( expected , actual ) #NEWLINE# expected = 4.8 #NEWLINE# item . std_dev = expected #NEWLINE# actual = item . std_dev #NEWLINE# self . assertEqual ( expected , actual )