Use mock.patch.dict to patch os.environ

pypa · Dec 23, 2021 · 43f1475 · 43f1475
1 parent 975a6f1
commit 43f1475
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/distutils/_msvccompiler.py b/distutils/_msvccompiler.py
@@ -527,7 +527,7 @@ def _fallback_spawn(self, cmd, env):
             return
         warnings.warn(
             "Fallback spawn triggered. Please update distutils monkeypatch.")
-        with unittest.mock.patch('os.environ', env):
+        with unittest.mock.patch.dict('os.environ', env):
             bag.value = super().spawn(cmd)
 
     # -- Miscellaneous methods -----------------------------------------