From f8df6d1687c2eba376b03b60a59b63c390c7d810 Mon Sep 17 00:00:00 2001
From: Andrew Murray <radarhere@users.noreply.github.com>
Date: Wed, 2 Jan 2019 18:56:54 +1100
Subject: [PATCH] Fixed pickling of iTXt class with protocol > 1

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

diff --git a/src/PIL/PngImagePlugin.py b/src/PIL/PngImagePlugin.py
index 04161a56c..57d2f8341 100644
--- a/src/PIL/PngImagePlugin.py
+++ b/src/PIL/PngImagePlugin.py
@@ -192,7 +192,7 @@ class iTXt(str):
 
     """
     @staticmethod
-    def __new__(cls, text, lang, tkey):
+    def __new__(cls, text, lang=None, tkey=None):
         """
         :param cls: the class to use when creating the instance
         :param text: value for this key