Ensure the actual number matches the expected count
diff --git a/Lib/test/test_inspect.py b/Lib/test/test_inspect.py
index 928af07..300de14 100644
--- a/Lib/test/test_inspect.py
+++ b/Lib/test/test_inspect.py
@@ -43,10 +43,11 @@
class TestPredicates(IsTestBase):
def test_thirteen(self):
- # Doc/lib/libinspect.tex claims there are 13 such functions
count = len(filter(lambda x:x.startswith('is'), dir(inspect)))
- self.assertEqual(count, 13,
- "There are %d (not 12) is* functions" % count)
+ # Doc/lib/libinspect.tex claims there are 13 such functions
+ expected = 13
+ err_msg = "There are %d (not %d) is* functions" % (count, expected)
+ self.assertEqual(count, expected, err_msg)
def test_excluding_predicates(self):
self.istest(inspect.isbuiltin, 'sys.exit')