From 48d5b4d7af331bd3fd05a707eb3a389ccc06351d Mon Sep 17 00:00:00 2001
From: Johannes 'josch' Schauer <josch@mister-muffin.de>
Date: Wed, 18 Jul 2018 00:57:43 +0200
Subject: [PATCH] CCITTGroup4 must return empty palette

---
 src/img2pdf.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/img2pdf.py b/src/img2pdf.py
index 29522ba..4632c7a 100755
--- a/src/img2pdf.py
+++ b/src/img2pdf.py
@@ -820,7 +820,7 @@ def read_images(rawdata, colorspace, first_frame_only=False):
                 ccittdata = transcode_monochrome(imgdata)
                 imgformat = ImageFormat.CCITTGroup4
                 result.append((color, ndpi, imgformat, ccittdata,
-                               imgwidthpx, imgheightpx))
+                               imgwidthpx, imgheightpx, []))
                 img_page_count += 1
                 continue
             except Exception as e: