3 import unittest

     1 import unittest

     4 from mercurial import error, mdiff

     2 from mercurial import error, mdiff

     5 from mercurial.utils import stringutil

     3 from mercurial.utils import stringutil

     6 

     4 

     7 # for readability, line numbers are 0-origin

     5 # for readability, line numbers are 0-origin