Merge pull request #89 from isuruf/spawn

Fix spawn fallback
pypa · Dec 24, 2021 · a5af364 · a5af364
2 parents 975a6f1 + 43f1475
commit a5af364
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 -----------------------------------------