[1]

[1] https://github.com/agronholm/anyio/commit/fdf3c9afd137917ff6de71b96c4753cd41c42ef7

PKGBUILD

@@ -2,7 +2,7 @@
 
 pkgname=python-anyio
 # https://github.com/agronholm/anyio/blob/master/docs/versionhistory.rst
-pkgver=3.3.1
+pkgver=3.3.2
 pkgrel=1
 pkgdesc='High level compatibility layer for multiple asynchronous event loop implementations'
 arch=(any)
@@ -16,19 +16,11 @@ optdepends=(
   'python-curio: curio backend'
   'python-trio: trio backend'
 )
-source=(https://github.com/agronholm/anyio/archive/$pkgver/anyio-$pkgver.tar.gz
-        bpo-45097.diff)
-sha256sums=('2f27663b77aa484ca85544f6701f7d6710e9cf4fbb23df0990c8447983aabb32'
-            'ed0ad72f604697d247a2d74f5b4740fcda0fe478040fa6ff75120cd97d5985c8')
+source=(https://github.com/agronholm/anyio/archive/$pkgver/anyio-$pkgver.tar.gz)
+sha256sums=('6324b57392a1fef98fb612786cc6cf450b9aced05182e37bde4400f7b340c4cc')
 
 export SETUPTOOLS_SCM_PRETEND_VERSION=$pkgver
 
-prepare() {
-  cd anyio-$pkgver
-  # Work around https://bugs.python.org/issue45097
-  patch -Np1 -i ../bpo-45097.diff
-}
-
 build() {
   cd anyio-$pkgver
   python setup.py build

bpo-45097.diff

-diff --git a/pyproject.toml b/pyproject.toml
-index d6c4fa1..541290d 100644
---- a/pyproject.toml
-+++ b/pyproject.toml
-@@ -38,7 +38,8 @@ testpaths = ["tests"]
- filterwarnings = [
-     "error",
-     "ignore:unclosed <socket.socket.*:ResourceWarning",
--    "ignore:unclosed transport <_ProactorSocketTransport.*:ResourceWarning"
-+    "ignore:unclosed transport <_ProactorSocketTransport.*:ResourceWarning",
-+    "ignore:The loop argument is deprecated.*:DeprecationWarning",
- ]
- markers = [
-     "network: marks tests as requiring Internet access",