diff -r 611fa301b807 Lib/test/test_enum.py
--- a/Lib/test/test_enum.py	Wed Mar 11 08:17:00 2015 -0700
+++ b/Lib/test/test_enum.py	Wed Mar 11 08:23:21 2015 -0700
@@ -525,20 +525,34 @@ class TestEnum(unittest.TestCase):
             TUESDAY = TEUSDAY = 3
             WEDNESDAY = 4
             THURSDAY = 5
             FRIDAY = 6
             SATURDAY = 7
         self.assertIs(WeekDay.TEUSDAY, WeekDay.TUESDAY)
         self.assertEqual(WeekDay(3).name, 'TUESDAY')
         self.assertEqual([k for k,v in WeekDay.__members__.items()
                 if v.name != k], ['TEUSDAY', ])
 
+    def test_intenum_int_classmethod(self):
+        class WeekDay(IntEnum):
+            SUNDAY = 1
+            MONDAY = 2
+            TUESDAY = TEUSDAY = 3
+            WEDNESDAY = 4
+            THURSDAY = 5
+            FRIDAY = 6
+            SATURDAY = 7
+        not_enum = WeekDay.from_bytes(b'1', 'big')
+        self.assertTrue(
+                type(not_enum) is int,
+                'not_enum should be <int> but is %r' % type(not_enum))
+
     def test_pickle_enum(self):
         if isinstance(Stooges, Exception):
             raise Stooges
         test_pickle_dump_load(self.assertIs, Stooges.CURLY)
         test_pickle_dump_load(self.assertIs, Stooges)
 
     def test_pickle_int(self):
         if isinstance(IntStooges, Exception):
             raise IntStooges
         test_pickle_dump_load(self.assertIs, IntStooges.CURLY)