Removed uneeded iter() calls with generator expression as argument.

tests/backends/tests.py

@@ -249,11 +249,11 @@ class BackendTestCase(TransactionTestCase):
 
     def test_cursor_executemany_with_iterator(self):
         # Test executemany accepts iterators #10320
-        args = iter((i, i ** 2) for i in range(-3, 2))
+        args = ((i, i ** 2) for i in range(-3, 2))
         self.create_squares_with_executemany(args)
         self.assertEqual(Square.objects.count(), 5)
 
-        args = iter((i, i ** 2) for i in range(3, 7))
+        args = ((i, i ** 2) for i in range(3, 7))
         with override_settings(DEBUG=True):
             # same test for DebugCursorWrapper
             self.create_squares_with_executemany(args)
@@ -278,11 +278,11 @@ class BackendTestCase(TransactionTestCase):
 
     @skipUnlessDBFeature('supports_paramstyle_pyformat')
     def test_cursor_executemany_with_pyformat_iterator(self):
-        args = iter({'root': i, 'square': i ** 2} for i in range(-3, 2))
+        args = ({'root': i, 'square': i ** 2} for i in range(-3, 2))
         self.create_squares(args, 'pyformat', multiple=True)
         self.assertEqual(Square.objects.count(), 5)
 
-        args = iter({'root': i, 'square': i ** 2} for i in range(3, 7))
+        args = ({'root': i, 'square': i ** 2} for i in range(3, 7))
         with override_settings(DEBUG=True):
             # same test for DebugCursorWrapper
             self.create_squares(args, 'pyformat', multiple=True)

tests/template_tests/test_logging.py

@@ -25,7 +25,7 @@ class VariableResolveLoggingTests(SimpleTestCase):
                 raise TestObject.SilentDoesNotExist("Attribute does not exist.")
 
             def __iter__(self):
-                return iter(attr for attr in dir(TestObject) if attr[:2] != "__")
+                return (attr for attr in dir(TestObject) if attr[:2] != "__")
 
             def __getitem__(self, item):
                 return self.__dict__[item]