Update the code to better reflect recommended style:

Use != instead of <> since <> is documented as "obsolescent".
Use "is" and "is not" when comparing with None or type objects.
diff --git a/Lib/test/test_support.py b/Lib/test/test_support.py
index 4f78b4c..a24b3ce 100644
--- a/Lib/test/test_support.py
+++ b/Lib/test/test_support.py
@@ -52,7 +52,7 @@
     elif type(x) == type(y) and type(x) in (type(()), type([])):
         for i in range(min(len(x), len(y))):
             outcome = fcmp(x[i], y[i])
-            if outcome <> 0:
+            if outcome != 0:
                 return outcome
         return cmp(len(x), len(y))
     return cmp(x, y)