1diff --git a/test_portend.py b/test_portend.py 2index b2de8c2..3f90276 100644 3--- a/test_portend.py 4+++ b/test_portend.py 5@@ -21,7 +21,7 @@ def socket_infos(): 6 7 8 def id_for_info(info): 9- af, = info[:1] 10+ (af,) = info[:1] 11 return str(af) 12 13