From 5c5ac6e2a5c01c73cc4570f7ca96ad7bcf8aa082 Mon Sep 17 00:00:00 2001
From: Justin Uang <justin.uang@gmail.com>
Date: Mon, 14 Jun 2021 21:21:33 -0400
Subject: [PATCH] Fix haodoo reader to properly pick encoding in python3

It was broken before because the comparison on line 94 would compare header.ident (a unicode string) to BPDB_IDENT (a byte string), which is not comparable in python3.
---
 src/calibre/ebooks/pdb/haodoo/reader.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/calibre/ebooks/pdb/haodoo/reader.py b/src/calibre/ebooks/pdb/haodoo/reader.py
index a27d0cba0d..1474625a0d 100644
--- a/src/calibre/ebooks/pdb/haodoo/reader.py
+++ b/src/calibre/ebooks/pdb/haodoo/reader.py
@@ -19,8 +19,8 @@ from calibre.ebooks.metadata import MetaInformation
 from calibre.ebooks.txt.processor import opf_writer, HTML_TEMPLATE
 from polyglot.builtins import range, map
 
-BPDB_IDENT = b'BOOKMTIT'
-UPDB_IDENT = b'BOOKMTIU'
+BPDB_IDENT = 'BOOKMTIT'
+UPDB_IDENT = 'BOOKMTIU'
 
 punct_table = {
     u"︵": u"（",