pythongh-127146: Allow ignored keys to be missing in test_sysconfig (pythonGH-135622)

hoodmane · miss-islington · commit bb84f0c7141d · 2025-06-18T02:51:53.000Z
Fixes the test on Emscripten where userbase can be missing. (cherry picked from commit 28c71ee) Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
diff --git a/Lib/test/test_sysconfig.py b/Lib/test/test_sysconfig.py
@@ -712,8 +712,8 @@ def test_sysconfigdata_json(self):
             ignore_keys |= {'prefix', 'exec_prefix', 'base', 'platbase', 'installed_base', 'installed_platbase'}
 
         for key in ignore_keys:
-            json_config_vars.pop(key)
-            system_config_vars.pop(key)
+            json_config_vars.pop(key, None)
+            system_config_vars.pop(key, None)
 
         self.assertEqual(system_config_vars, json_config_vars)
 
