From 257cd5f991a95ea4df5d349a772536bb6272046c Mon Sep 17 00:00:00 2001
From: Will Badart <badart_william@bah.com>
Date: Wed, 22 Apr 2020 08:51:30 -0700
Subject: [PATCH] Switch unsetenv to __delitem__ in test case cleanup

`unsetenv` isn't supported on all platforms
---
 tests/test_cli.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/test_cli.py b/tests/test_cli.py
index f340417..fa74d83 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -288,7 +288,7 @@ class CommandLineTestCase(unittest.TestCase):
     def test_run_with_user_yamllintrc_config_file(self):
         config = os.path.join(self.wd, 'fake-local-config')
         self.addCleanup(os.remove, config)
-        self.addCleanup(os.environ.unsetenv, 'YAMLLINTRC')
+        self.addCleanup(os.environ.__delitem__, 'YAMLLINTRC')
         os.environ['YAMLLINTRC'] = config
 
         with open(config, 'w') as f: