From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Tue, 4 Jan 2022 09:13:56 +0000 (-0800)
Subject: bpo-46239: improve error message when importing `asyncio.windows_events` (GH-30353)
X-Git-Tag: v3.9.10~24
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=86d1b8c13fcaf8a974cf2ae23b31fe87dfdb6267;p=thirdparty%2FPython%2Fcpython.git

bpo-46239: improve error message when importing `asyncio.windows_events` (GH-30353)

(cherry picked from commit 5a2a65096c3ec2d37f33615f2a420d2ffcabecf2)

Co-authored-by: Nikita Sobolev <mail@sobolevn.me>
---

diff --git a/Lib/asyncio/windows_events.py b/Lib/asyncio/windows_events.py
index 5e7cd795895d..da81ab435b9a 100644
--- a/Lib/asyncio/windows_events.py
+++ b/Lib/asyncio/windows_events.py
@@ -1,5 +1,10 @@
 """Selector and proactor event loops for Windows."""
 
+import sys
+
+if sys.platform != 'win32':  # pragma: no cover
+    raise ImportError('win32 only')
+
 import _overlapped
 import _winapi
 import errno
diff --git a/Misc/NEWS.d/next/Library/2022-01-03-12-59-20.bpo-46239.ySVSEy.rst b/Misc/NEWS.d/next/Library/2022-01-03-12-59-20.bpo-46239.ySVSEy.rst
new file mode 100644
index 000000000000..202febf84fd1
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2022-01-03-12-59-20.bpo-46239.ySVSEy.rst
@@ -0,0 +1,2 @@
+Improve error message when importing :mod:`asyncio.windows_events` on
+non-Windows.