1 files changed, 5 insertions, 0 deletions
diff --git a/django/utils/functional.py b/django/utils/functional.py
index 93befcf59e..0606c775ef 100644
--- a/django/utils/functional.py
+++ b/django/utils/functional.py
@@ -148,6 +148,11 @@ def lazy(func, *resultclasses):
             else:
                 return func(*self.__args, **self.__kw)
 
+        def __ne__(self, other):
+            if isinstance(other, Promise):
+                other = other.__cast()
+            return self.__cast() != other
+
         def __eq__(self, other):
             if isinstance(other, Promise):
                 other = other.__cast()