From 88f46f3c998e15ebec8b93df32316b95f7639432 Mon Sep 17 00:00:00 2001
From: Ben Rudiak-Gould <benrudiak@gmail.com>
Date: Tue, 3 May 2022 13:42:04 -0700
Subject: [PATCH] Add a comment

---
 src/PIL/Image.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/PIL/Image.py b/src/PIL/Image.py
index 114f4adb3..09214e2f9 100644
--- a/src/PIL/Image.py
+++ b/src/PIL/Image.py
@@ -435,6 +435,9 @@ def coerce_e(value):
     return value if isinstance(value, _E) else _E(1, value)
 
 
+# _E(scale, offset) represents the affine transformation scale * x + offset.
+# The "data" field is named for compatibility with the old implementation,
+# and should be renamed once coerce_e is removed.
 class _E:
     def __init__(self, scale, data):
         self.scale = scale