From 7a2d03f9434c8b3a7c7fcb277bead0adee7e54f6 Mon Sep 17 00:00:00 2001
From: khanhdq <dqkqdlot@gmail.com>
Date: Wed, 31 Aug 2022 00:47:21 +0900
Subject: [PATCH] Add news fragments.

---
 news/5309.bugfix.rst | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 news/5309.bugfix.rst

diff --git a/news/5309.bugfix.rst b/news/5309.bugfix.rst
new file mode 100644
index 00000000..cfd928eb
--- /dev/null
+++ b/news/5309.bugfix.rst
@@ -0,0 +1 @@
+Fix 5273, use our own method for checking if a package is a valid constraint.