diff -r 964212780daf -r 3e3f4c03876b tests/revlog-formatv0.py
--- a/tests/revlog-formatv0.py	Wed Jan 10 08:53:22 2018 -0800
+++ b/tests/revlog-formatv0.py	Fri Dec 29 03:37:36 2017 +0530
@@ -22,27 +22,27 @@
 import sys
 
 files = [
-    ('formatv0/.hg/00changelog.i',
-     '000000000000004400000000000000000000000000000000000000'
-     '000000000000000000000000000000000000000000000000000000'
-     '0000a1ef0b125355d27765928be600cfe85784284ab3'),
-    ('formatv0/.hg/00changelog.d',
-     '756163613935613961356635353036303562366138343738336237'
-     '61623536363738616436356635380a757365720a3020300a656d70'
-     '74790a0a656d7074792066696c65'),
-    ('formatv0/.hg/00manifest.i',
-     '000000000000003000000000000000000000000000000000000000'
-     '000000000000000000000000000000000000000000000000000000'
-     '0000aca95a9a5f550605b6a84783b7ab56678ad65f58'),
-    ('formatv0/.hg/00manifest.d',
-     '75656d707479006238306465356431333837353835343163356630'
-     '35323635616431343461623966613836643164620a'),
-    ('formatv0/.hg/data/empty.i',
-     '000000000000000000000000000000000000000000000000000000'
-     '000000000000000000000000000000000000000000000000000000'
-     '0000b80de5d138758541c5f05265ad144ab9fa86d1db'),
-    ('formatv0/.hg/data/empty.d',
-     ''),
+    (b'formatv0/.hg/00changelog.i',
+     b'000000000000004400000000000000000000000000000000000000'
+     b'000000000000000000000000000000000000000000000000000000'
+     b'0000a1ef0b125355d27765928be600cfe85784284ab3'),
+    (b'formatv0/.hg/00changelog.d',
+     b'756163613935613961356635353036303562366138343738336237'
+     b'61623536363738616436356635380a757365720a3020300a656d70'
+     b'74790a0a656d7074792066696c65'),
+    (b'formatv0/.hg/00manifest.i',
+     b'000000000000003000000000000000000000000000000000000000'
+     b'000000000000000000000000000000000000000000000000000000'
+     b'0000aca95a9a5f550605b6a84783b7ab56678ad65f58'),
+    (b'formatv0/.hg/00manifest.d',
+     b'75656d707479006238306465356431333837353835343163356630'
+     b'35323635616431343461623966613836643164620a'),
+    (b'formatv0/.hg/data/empty.i',
+     b'000000000000000000000000000000000000000000000000000000'
+     b'000000000000000000000000000000000000000000000000000000'
+     b'0000b80de5d138758541c5f05265ad144ab9fa86d1db'),
+    (b'formatv0/.hg/data/empty.d',
+     b''),
 ]
 
 def makedirs(name):