From 4b3174d7b236d46c8195f743fee170bf85dfc731 2017-09-03 14:00:18
From: Andrew Shadura <andrew.shadura@collabora.co.uk>
Date: 2017-09-03 14:00:18
Subject: [PATCH] PYD-8: Fix generation of JPEG identicons with Pillow 4.2.0+:

- Explicitly convert image to RGB before saving as JPEG.

---

diff --git a/pydenticon/__init__.py b/pydenticon/__init__.py
index 0edfdb02d25ee603310ffa465273550e746eda06..f499988266fc099ad9aa49ab50e8d259440d7dc8 100644
--- a/pydenticon/__init__.py
+++ b/pydenticon/__init__.py
@@ -246,6 +246,9 @@ class Generator(object):
         # Set-up a stream where image will be saved.
         stream = BytesIO()
 
+        if image_format.upper() == "JPEG":
+            image = image.convert(mode="RGB")
+
         # Save the image to stream.
         try:
             image.save(stream, format=image_format, optimize=True)