From f93cfbf94c494d20ccd4448b27c742c3c22e9a50 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Leduin=20Jos=C3=A9=20Cuenca=20Macas?=
 <leduin.cuenca.macas@upm.es>
Date: Tue, 26 Aug 2025 22:53:15 +0200
Subject: [PATCH] Check if the solution variables content is not None before
 doing operations with integers

---
 pulp/tests/test_pulp.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pulp/tests/test_pulp.py b/pulp/tests/test_pulp.py
index a0782104..ab72dfa3 100644
--- a/pulp/tests/test_pulp.py
+++ b/pulp/tests/test_pulp.py
@@ -2410,7 +2410,7 @@ def pulpTestCheck(
         )
     if sol is not None:
         for v, x in sol.items():
-            if abs(v.varValue - x) > eps:
+            if v.varValue is not None and abs(v.varValue - x) > eps:
                 dumpTestProblem(prob)
                 raise PulpError(
                     "Tests failed for solver {}:\nvar {} == {} != {}".format(