From 4d5c9b8cdf02f530a9481fdf7a3b08c6f4d7fc3d Mon Sep 17 00:00:00 2001
From: "James R. Barlow" <jim@purplerock.ca>
Date: Mon, 20 Aug 2018 15:45:34 -0700
Subject: [PATCH] Fix error in optimize.py on PNGs at -O2

Error was
TypeError: unsupported operand type(s) for -: 'tuple' and 'int'
---
 src/ocrmypdf/optimize.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ocrmypdf/optimize.py b/src/ocrmypdf/optimize.py
index 097e1445..9c51bef5 100644
--- a/src/ocrmypdf/optimize.py
+++ b/src/ocrmypdf/optimize.py
@@ -32,7 +32,7 @@ from .exec import pngquant, jbig2enc
 
 PAGE_GROUP_SIZE = 10
 DEFAULT_JPEG_QUALITY = 75
-DEFAULT_PNG_QUALITY = (65, 75)
+DEFAULT_PNG_QUALITY = 70
 
 
 def img_name(root, xref, ext):