diff --git a/django/utils/_threading_local.py b/django/utils/_threading_local.py
index bf9a25753a..08dae53dca 100644
--- a/django/utils/_threading_local.py
+++ b/django/utils/_threading_local.py
@@ -145,8 +145,8 @@ class _localbase(object):
         object.__setattr__(self, '_local__args', (args, kw))
         object.__setattr__(self, '_local__lock', RLock())
 
-        if args or kw and (cls.__init__ is object.__init__):
-            raise TypeError("Initialization arguments are not supported")
+        if (args or kw) and (cls.__init__ is object.__init__):
+            raise TypeError("Initialization arguments are not supported: %r, %r, %r" % (args, kw, cls.__init__ is object.__init__))
 
         # We need to create the thread dict in anticipation of
         # __init__ being called, to make sure we don't call it