From 3a0d6b77295162146d0a8d04278804334da6f1b4 Mon Sep 17 00:00:00 2001
From: AUTOMATIC <16777216c@gmail.com>
Date: Tue, 17 Jan 2023 23:54:23 +0300
Subject: [PATCH] make it so that PNG images with EXIF do not lose parameters
 in PNG info tab

---
 modules/images.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/modules/images.py b/modules/images.py
index c3a5fc8b..3b1c5f34 100644
--- a/modules/images.py
+++ b/modules/images.py
@@ -605,8 +605,9 @@ def read_info_from_image(image):
         except ValueError:
             exif_comment = exif_comment.decode('utf8', errors="ignore")
 
-        items['exif comment'] = exif_comment
-        geninfo = exif_comment
+        if exif_comment:
+            items['exif comment'] = exif_comment
+            geninfo = exif_comment
 
         for field in ['jfif', 'jfif_version', 'jfif_unit', 'jfif_density', 'dpi', 'exif',
                       'loop', 'background', 'timestamp', 'duration']: