--- a/hgext/journal.py	Mon Sep 24 14:46:37 2018 -0700
+++ b/hgext/journal.py	Thu Jan 17 09:17:12 2019 -0800
@@ -348,7 +348,6 @@
 
     def _write(self, vfs, entry):
         with self.jlock(vfs):
-            version = None
             # open file in amend mode to ensure it is created if missing
             with vfs('namejournal', mode='a+b') as f:
                 f.seek(0, os.SEEK_SET)