diff -r e971952db109 -r 30b762a330c8 hgext/remotefilelog/datapack.py
--- a/hgext/remotefilelog/datapack.py	Wed Jan 30 13:34:47 2019 -0800
+++ b/hgext/remotefilelog/datapack.py	Wed Jan 30 13:36:51 2019 -0800
@@ -243,7 +243,7 @@
         else:
             while start < end - entrylen:
                 mid = start  + (end - start) / 2
-                mid = mid - ((mid - params.indexstart) % entrylen)
+                mid = int(mid - ((mid - params.indexstart) % entrylen))
                 midnode = index[mid:mid + NODELENGTH]
                 if midnode == node:
                     entry = index[mid:mid + entrylen]