dev-python/wxpython: fix build w/ cython-3

Closes: https://bugs.gentoo.org/911703
Signed-off-by: Sam James <sam@gentoo.org>

dev-python/wxpython/files/wxpython-4.2.0-cython-3.patch

@@ -0,0 +1,19 @@
+https://bugs.gentoo.org/911703
+https://github.com/wxWidgets/Phoenix/pull/2441
+
+From aeb557d01e7cd37176ebbf0f1ae6d0b53c115378 Mon Sep 17 00:00:00 2001
+From: Scott Talbert <swt@techie.net>
+Date: Tue, 25 Jul 2023 12:42:32 -0400
+Subject: [PATCH] Fix compatibility with Cython 3.0.0
+
+Remove unused import which seems to be removed in Cython 3.
+--- a/wx/svg/_nanosvg.pyx
++++ b/wx/svg/_nanosvg.pyx
+@@ -42,7 +42,6 @@ for manipulating the SVG shape info in memory.
+ 
+ import sys
+ 
+-cimport cython.object
+ from cpython.buffer cimport (
+     Py_buffer, PyObject_CheckBuffer, PyObject_GetBuffer, PyBUF_SIMPLE,
+     PyBuffer_Release)

dev-python/wxpython/wxpython-4.2.0.ebuild

@@ -51,6 +51,7 @@ PATCHES=(
 	#"${FILESDIR}/${PN}-4.0.6-skip-broken-tests.patch"
 	"${FILESDIR}/${PN}-4.2.0-no-attrdict.patch"
 	"${FILESDIR}/${PN}-4.2.0-flags.patch"
+	"${FILESDIR}/${PN}-4.2.0-cython-3.patch"
 )
 
 python_prepare_all() {