From 5ee96cfbfe2db1969b050557816e1cf290a4b911 Mon Sep 17 00:00:00 2001
From: Yichao Yu <yyc1992@gmail.com>
Date: Tue, 13 Oct 2026 11:16:30 -0400
Subject: [PATCH] Clean up Py_buffer definition

Now that python2.7 support is dropped.
---
 src/pybuffer.jl | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/src/pybuffer.jl b/src/pybuffer.jl
index a2cec72d..8cb042e3 100644
--- a/src/pybuffer.jl
+++ b/src/pybuffer.jl
@@ -6,6 +6,7 @@
 #############################################################################
 # mirror of Py_buffer struct in Python Include/object.h
 
+# Stable ABI since 3.11
 struct Py_buffer
     buf::Ptr{Cvoid}
     obj::PyPtr
@@ -18,12 +19,7 @@ struct Py_buffer
     shape::Ptr{Cssize_t}
     strides::Ptr{Cssize_t}
     suboffsets::Ptr{Cssize_t}
-
-    # some opaque padding fields to account for differences between
-    # Python versions (the structure changed in Python 2.7 and 3.3)
-    internal0::Ptr{Cvoid}
-    internal1::Ptr{Cvoid}
-    internal2::Ptr{Cvoid}
+    internal::Ptr{Cvoid}
 end
 
 mutable struct PyBuffer
@@ -31,7 +27,7 @@ mutable struct PyBuffer
     PyBuffer() = begin
         b = new(Py_buffer(C_NULL, PyPtr_NULL, 0, 0,
                           0, 0, C_NULL, C_NULL, C_NULL, C_NULL,
-                          C_NULL, C_NULL, C_NULL))
+                          C_NULL))
         finalizer(pydecref, b)
         return b
     end