Whitespace normalization.  Ugh, we really need to do this more often.
You might want to review this change as it's my first time.  Be gentle. :-)
diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py
index b187ea1..eca5fbb 100644
--- a/Lib/test/test_re.py
+++ b/Lib/test/test_re.py
@@ -607,7 +607,7 @@
         for typecode in 'cbBuhHiIlLfd':
             a = array.array(typecode)
             self.assertEqual(re.compile("bla").match(a), None)
-            self.assertEqual(re.compile("").match(a).groups(), ())            
+            self.assertEqual(re.compile("").match(a).groups(), ())
 
 def run_re_tests():
     from test.re_tests import benchmarks, tests, SUCCEED, FAIL, SYNTAX_ERROR