Ticket #5560: lazy_unicode.patch

django/utils/functional.py

@@ -53 +53 @@
             self._delegate_unicode = unicode in resultclasses
             assert not (self._delegate_str and self._delegate_unicode), "Cannot call lazy() with both str and unicode return types."
             if self._delegate_unicode:
-                self.__unicode__ = self.__unicode_cast
+                # Assigning the __unicode__ method to the __proxy__ class,
+                # for Jython compatibility (where __unicode__ lives on object)
+                #
+                # As each call to lazy() makes a new __proxy__ class,
+                # this don't interfere with other lazy objects
+                __proxy__.__unicode__ = __proxy__.__unicode_cast
 
         def __promise__(self, klass, funcname, func):
             # Builds a wrapper around some magic method and registers that magic