Renamed test_format to test__format__, since it really tests the __format__ method. It was hiding another method of the same name.
diff --git a/Lib/test/test_long.py b/Lib/test/test_long.py
index 8eb09d1..f98ba8d 100644
--- a/Lib/test/test_long.py
+++ b/Lib/test/test_long.py
@@ -482,7 +482,7 @@
eq(x > y, Rcmp > 0, Frm("%r > %r %d", x, y, Rcmp))
eq(x >= y, Rcmp >= 0, Frm("%r >= %r %d", x, y, Rcmp))
- def test_format(self):
+ def test__format__(self):
self.assertEqual(format(123456789, 'd'), '123456789')
self.assertEqual(format(123456789, 'd'), '123456789')