diff --git a/django/utils/functional.py b/django/utils/functional.py
index 5dc0a45e7a..6199efe77d 100644
--- a/django/utils/functional.py
+++ b/django/utils/functional.py
@@ -1,56 +1,9 @@
-# License for code in this file that was taken from Python 2.5.
-
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-
 from functools import wraps
 
+
+# You can't trivially replace this `functools.partial` because this binds to
+# classes and returns bound instances, whereas functools.partial (on CPython)
+# is a type and it's instances don't bind.
 def curry(_curried_func, *args, **kwargs):
     def _curried(*moreargs, **morekwargs):
         return _curried_func(*(args+moreargs), **dict(kwargs, **morekwargs))