From 05cc4758dc429858cbbb68ad3b9041a9795042da Mon Sep 17 00:00:00 2001
From: Ned Batchelder <ned@nedbatchelder.com>
Date: Tue, 6 Dec 2022 13:31:05 -0500
Subject: test: use an ubuntu that has all the deadsnakes nightlies.

---
 .github/workflows/python-nightly.yml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/python-nightly.yml b/.github/workflows/python-nightly.yml
index 9eed8c68..f2e81e9a 100644
--- a/.github/workflows/python-nightly.yml
+++ b/.github/workflows/python-nightly.yml
@@ -32,7 +32,11 @@ concurrency:
 jobs:
   tests:
     name: "Python ${{ matrix.python-version }}"
-    runs-on: ubuntu-latest
+    # Choose a recent Ubuntu that deadsnakes still builds all the versions for.
+    # For example, deadsnakes doesn't provide 3.10 nightly for 22.04 (jammy)
+    # because jammy ships 3.10, and deadsnakes doesn't want to clobber it.
+    # https://launchpad.net/~deadsnakes/+archive/ubuntu/nightly/+packages
+    runs-on: ubuntu-20.04
 
     strategy:
       matrix:
-- 
cgit v1.2.1