Cleanup in packaging: don’t unnecessarily instantiate exceptions
diff --git a/Lib/packaging/tests/test_uninstall.py b/Lib/packaging/tests/test_uninstall.py
index 4b37286..00e97e4 100644
--- a/Lib/packaging/tests/test_uninstall.py
+++ b/Lib/packaging/tests/test_uninstall.py
@@ -111,7 +111,7 @@
         old = os.rename
 
         def _rename(source, target):
-            raise OSError()
+            raise OSError
 
         os.rename = _rename
         try: