Fix a scoping issue where an UnboundLocalError was triggered if a
lazy-loaded module was already in sys.modules.
diff --git a/Lib/importlib/util.py b/Lib/importlib/util.py
index 4525b3f..e1fa07a 100644
--- a/Lib/importlib/util.py
+++ b/Lib/importlib/util.py
@@ -241,7 +241,7 @@
if id(self) != id(sys.modules[original_name]):
msg = ('module object for {!r} substituted in sys.modules '
'during a lazy load')
- raise ValueError(msg.format(original_name))
+ raise ValueError(msg.format(original_name))
# Update after loading since that's what would happen in an eager
# loading situation.
self.__dict__.update(attrs_updated)