py3: replace __str__ to __bytes__ in hgext/journal.py

Differential Revision: https://phab.mercurial-scm.org/D2616

hgext/journal.py

@@ -24,6 +24,7 b' from mercurial import ('
     bookmarks,
     cmdutil,
     dispatch,
+    encoding,
     error,
     extensions,
     hg,
@@ -219,8 +220,8 b' class journalentry(collections.namedtupl'
             (timestamp, tz), user, command, namespace, name,
             oldhashes, newhashes)
 
-    def __str__(self):
-        """String representation for storage"""
+    def __bytes__(self):
+        """bytes representation for storage"""
         time = ' '.join(map(str, self.timestamp))
         oldhashes = ','.join([node.hex(hash) for hash in self.oldhashes])
         newhashes = ','.join([node.hex(hash) for hash in self.newhashes])
@@ -228,6 +229,8 b' class journalentry(collections.namedtupl'
             time, self.user, self.command, self.namespace, self.name,
             oldhashes, newhashes))
 
+    __str__ = encoding.strmethod(__bytes__)
+
 class journalstorage(object):
     """Storage for journal entries