fix for last message id in mastodon api

screenless/bureau/publicrelations/publicrelations.py

@@ -353,7 +353,7 @@ class PublicRelations(Bureau):
             # store the last notification id
             self.last_mast_notif = notifications[0].id
             with self.dbenv.begin(db=self.tweetdb, write=True) as txn:
-                txn.put(b"last_mast_notif", self.last_mast_notif.encode())
+                txn.put(b"last_mast_notif", self.last_mast_notif)
         for note in notifications:
             username = note.account.display_name.encode("cp437", "ignore") + \
                        b" (" + note.account.acct.encode("cp437", "ignore") + b")"