diff --git a/Lib/test/test_pyclbr.py b/Lib/test/test_pyclbr.py
index 8e3cfa34419..7a59c2e09d2 100644
--- a/Lib/test/test_pyclbr.py
+++ b/Lib/test/test_pyclbr.py
@@ -143,7 +143,7 @@ def test_others(self):
         cm = self.checkModule
 
         # These were once about the 10 longest modules
-        cm('random', ignore=('Random'))  # from _random import Random as CoreGenerator
+        cm('random', ignore=('Random',))  # from _random import Random as CoreGenerator
         cm('cgi', ignore=('log',))      # set with = in module
         cm('mhlib')
         cm('urllib', ignore=('getproxies_registry',