diff -r 93aeebc90ff9 -r be384a2052aa hgext/fastannotate/context.py
--- a/hgext/fastannotate/context.py	Tue Nov 05 12:10:38 2019 -0500
+++ b/hgext/fastannotate/context.py	Tue Nov 05 08:42:42 2019 -0800
@@ -57,7 +57,7 @@
     # renamed filectx won't have a filelog yet, so set it
     # from the cache to save time
     for p in pl:
-        if not b'_filelog' in p.__dict__:
+        if not '_filelog' in p.__dict__:
             p._filelog = _getflog(f._repo, p.path())
 
     return pl