Fix Issue9301 - urllib.quote(None) to raise TypeError
diff --git a/Lib/test/test_urllib.py b/Lib/test/test_urllib.py
index 77fa8f6..16febae 100644
--- a/Lib/test/test_urllib.py
+++ b/Lib/test/test_urllib.py
@@ -413,6 +413,7 @@
                          "using quote(): %s != %s" % (expected, result))
         self.assertEqual(expected, result,
                          "using quote_plus(): %s != %s" % (expected, result))
+        self.assertRaises(TypeError, urllib.quote, None)
 
     def test_quoting_space(self):
         # Make sure quote() and quote_plus() handle spaces as specified in