--- a/tests/test-bdiff.py	Wed Apr 26 22:03:37 2017 +0900
+++ b/tests/test-bdiff.py	Wed Apr 26 22:05:59 2017 +0900
@@ -5,7 +5,6 @@
 
 from mercurial import (
     mdiff,
-    mpatch,
 )
 
 class diffreplace(
@@ -19,7 +18,7 @@
         d = mdiff.textdiff(a, b)
         c = a
         if d:
-            c = mpatch.patches(a, [d])
+            c = mdiff.patches(a, [d])
         self.assertEqual(
             c, b, ("bad diff+patch result from\n  %r to\n  "
                    "%r: \nbdiff: %r\npatched: %r" % (a, b, d, c[:200])))