diff -r 2aebe138ef6e -r 38409be2f521 mercurial/utils/stringutil.py
--- a/mercurial/utils/stringutil.py	Fri Aug 10 01:41:31 2018 -0400
+++ b/mercurial/utils/stringutil.py	Fri Aug 10 01:42:01 2018 -0400
@@ -114,7 +114,7 @@
     elif callable(r):
         return r()
     else:
-        return pycompat.byterepr(r)
+        return pprint(r)
 
 def binary(s):
     """return true if a string is binary data"""