pythonnet · thesn10 · Oct 27, 2019 · May 23, 2020 · May 29, 2020 · Oct 30, 2020
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -8,6 +8,7 @@ This document follows the conventions laid out in [Keep a CHANGELOG][].
 ## [Unreleased][]

 ### Added
+-   Added Python 3 buffer api support and PyBuffer interface for fast byte and numpy array read/write ([#980][p980])

 ### Changed
 -   Drop support for Python 2, 3.4, and 3.5
@@ -51,7 +52,6 @@ This version improves performance on benchmarks significantly compared to 2.3.
 -   Support for Python 3.8
 -   Codecs as the designated way to handle automatic conversions between
    .NET and Python types
-   Added Python 3 buffer api support and PyBuffer interface for fast byte and numpy array read/write ([#980][p980])

 ### Changed


diff --git a/src/runtime/runtime.cs b/src/runtime/runtime.cs
@@ -1154,6 +1154,8 @@ internal static long PyObject_Size(IntPtr pointer)
        //====================================================================
        // Python buffer API
        //====================================================================
+        [DllImport(_PythonDll, CallingConvention = CallingConvention.Cdecl)]
+        internal static extern int PyObject_CheckBuffer(IntPtr obj);

        [DllImport(_PythonDll, CallingConvention = CallingConvention.Cdecl)]
        internal static extern int PyObject_GetBuffer(IntPtr exporter, ref Py_buffer view, int flags);