hgext/relink.py

--- a/hgext/relink.py	Thu Mar 22 21:19:31 2018 +0900
+++ b/hgext/relink.py	Thu Mar 22 21:56:20 2018 +0900
@@ -18,6 +18,9 @@
     registrar,
     util,
 )
+from mercurial.utils import (
+    stringutil,
+)
 
 cmdtable = {}
 command = registrar.command(cmdtable)
@@ -187,7 +190,7 @@
             relinked += 1
             savedbytes += sz
         except OSError as inst:
-            ui.warn('%s: %s\n' % (tgt, util.forcebytestr(inst)))
+            ui.warn('%s: %s\n' % (tgt, stringutil.forcebytestr(inst)))
 
     ui.progress(_('relinking'), None)