1 files changed, 2 insertions, 0 deletions
diff --git a/Lib/test/test_grp.py b/Lib/test/test_grp.py
index f7d2191..2c3ab29 100755
--- a/Lib/test/test_grp.py
+++ b/Lib/test/test_grp.py
@@ -42,6 +42,8 @@ class GroupDatabaseTestCase(unittest.TestCase):
         bynames = {}
         bygids = {}
         for (n, p, g, mem) in grp.getgrall():
+            if not n or n == '+':
+                continue # skip NIS entries etc.
             bynames[n] = g
             bygids[g] = n