diff --git a/django/utils/datastructures.py b/django/utils/datastructures.py
index 832b16c3d4..69be07ba7e 100644
--- a/django/utils/datastructures.py
+++ b/django/utils/datastructures.py
@@ -1,5 +1,5 @@
 import copy
-import warning
+import warnings
 from types import GeneratorType
 
 
@@ -196,13 +196,13 @@ class SortedDict(dict):
         # This, and insert() are deprecated because they cannot be implemented
         # using collections.OrderedDict (Python 2.7 and up), which we'll
         # eventually switch to
-        warning.warn(PendingDeprecationWarning,
+        warnings.warn(PendingDeprecationWarning,
             "SortedDict.value_for_index is deprecated", stacklevel=2)
         return self[self.keyOrder[index]]
 
     def insert(self, index, key, value):
         """Inserts the key, value pair before the item with the given index."""
-        warning.warn(PendingDeprecationWarning,
+        warnings.warn(PendingDeprecationWarning,
             "SortedDict.insert is deprecated", stacklevel=2)
         if key in self.keyOrder:
             n = self.keyOrder.index(key)