From b4db1b741f7259e3652961f6a58f8e8722a501f2 Mon Sep 17 00:00:00 2001
From: "James R. Barlow" <james@purplerock.ca>
Date: Sun, 7 Apr 2024 01:44:08 -0700
Subject: [PATCH] optimize: fix handling of [/FlateDecode none] - type images

Closes #1271
---
 src/ocrmypdf/optimize.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/ocrmypdf/optimize.py b/src/ocrmypdf/optimize.py
index 5ce88af2..1fb50a01 100644
--- a/src/ocrmypdf/optimize.py
+++ b/src/ocrmypdf/optimize.py
@@ -89,6 +89,7 @@ def extract_image_filter(
         if (
             len(pim.filter_decodeparms) == 2
             and first_filtdp[0] == Name.FlateDecode
+            and first_filtdp[1] is not None
             and first_filtdp[1].get(Name.Predictor, 1) == 1
             and second_filtdp[0] == Name.DCTDecode
             and not second_filtdp[1]