#NEWLINE# def test_compare_tip_distances_no_common_tips( self ) : #NEWLINE# #INDENT# t = TreeNode . read ( io . StringIO ( '((H:1,G:1):2,(R:0.5,M:0.7):3);' ) ) #NEWLINE# t2 = TreeNode . read ( io . StringIO ( '(((Z:1,Y:1,X:1):2,W:3):1,V:4);' ) ) #NEWLINE# with self . assertRaises ( ValueError ) : #NEWLINE# #INDENT# t . compare_tip_distances ( self )