diff -r ad51ed93377c Lib/idlelib/PathBrowser.py
--- a/Lib/idlelib/PathBrowser.py	Thu Oct 11 00:11:26 2012 -0700
+++ b/Lib/idlelib/PathBrowser.py	Sun Oct 14 20:14:11 2012 -0500
@@ -75,7 +75,7 @@
         suffixes += importlib.machinery.SOURCE_SUFFIXES[:]
         suffixes += importlib.machinery.BYTECODE_SUFFIXES[:]
         sorted = []
-        for suff, mode, flag in suffixes:
+        for suff in suffixes:
             i = -len(suff)
             for name in allnames[:]:
                 normed_name = os.path.normcase(name)
diff -r ad51ed93377c Lib/idlelib/test/test_pathbrowser.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Lib/idlelib/test/test_pathbrowser.py	Sun Oct 14 20:14:11 2012 -0500
@@ -0,0 +1,19 @@
+import unittest
+from test import support
+import idlelib.PathBrowser as PathBrowser
+
+
+class PathBrowserTest(unittest.TestCase):
+
+    def test_DirBrowserTreeItem(self):
+        # Issue16226 - make sure that getting a sublist works
+        d = PathBrowser.DirBrowserTreeItem('')
+        d.GetSubList()
+
+
+def test_main():
+    support.run_unittest(PathBrowserTest)
+
+if __name__ == "__main__":
+    test_main()        
+