From b3cb55f82360bf39eebb363d8f65cfd97bebf5fe Mon Sep 17 00:00:00 2001
From: Alexey Shamrin <shamrin@gmail.com>
Date: Wed, 15 Dec 2021 22:35:32 +0200
Subject: [PATCH] keep IPython/Jupyter text/plain output stable

---
 src/PIL/Image.py | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/PIL/Image.py b/src/PIL/Image.py
index 0fca3fa5c..2653c6274 100644
--- a/src/PIL/Image.py
+++ b/src/PIL/Image.py
@@ -644,6 +644,19 @@ class Image:
             id(self),
         )
 
+    def _repr_pretty_(self, p, cycle):
+        """IPython plain text display support"""
+
+        # Same as __repr__ but without unpredicatable id(self),
+        # to keep Jupyter notebook `text/plain` output stable.
+        p.text("<%s.%s image mode=%s size=%dx%d>" % (
+            self.__class__.__module__,
+            self.__class__.__name__,
+            self.mode,
+            self.size[0],
+            self.size[1],
+        ))
+
     def _repr_png_(self):
         """iPython display hook support