diff --git a/django/utils/autoreload.py b/django/utils/autoreload.py
index 736e88cfe9..2ca4d6f74a 100644
--- a/django/utils/autoreload.py
+++ b/django/utils/autoreload.py
@@ -98,8 +98,8 @@ def iter_all_python_module_files():
     # modules based on the module name and pass it to iter_modules_and_files().
     # This ensures cached results are returned in the usual case that modules
     # aren't loaded on the fly.
-    modules_view = sorted(list(sys.modules.items()), key=lambda i: i[0])
-    modules = tuple(m[1] for m in modules_view if not isinstance(m[1], weakref.ProxyTypes))
+    keys = sorted(sys.modules)
+    modules = tuple(m for m in map(sys.modules.__getitem__, keys) if not isinstance(m, weakref.ProxyTypes))
     return iter_modules_and_files(modules, frozenset(_error_files))
 
 
diff --git a/tests/utils_tests/test_datastructures.py b/tests/utils_tests/test_datastructures.py
index 0513df69b2..3400b1d65a 100644
--- a/tests/utils_tests/test_datastructures.py
+++ b/tests/utils_tests/test_datastructures.py
@@ -168,7 +168,7 @@ class CaseInsensitiveMappingTests(SimpleTestCase):
             CaseInsensitiveMapping([(1, '2')])
 
     def test_list(self):
-        self.assertEqual(sorted(list(self.dict1)), sorted(['Accept', 'content-type']))
+        self.assertEqual(list(self.dict1), ['Accept', 'content-type'])
 
     def test_dict(self):
         self.assertEqual(dict(self.dict1), {'Accept': 'application/json', 'content-type': 'text/html'})