The first batch of changes recommended by the fixdiv tool.  These are
mostly changes of / operators into //.  Once or twice I did more or
less than recommended.
diff --git a/Lib/test/test_binop.py b/Lib/test/test_binop.py
index f1e654a..7eded9a 100644
--- a/Lib/test/test_binop.py
+++ b/Lib/test/test_binop.py
@@ -42,8 +42,8 @@
         if den == 0:
             raise ZeroDivisionError, "zero denominator"
         g = gcd(den, num)
-        self.__num = long(num/g)
-        self.__den = long(den/g)
+        self.__num = long(num//g)
+        self.__den = long(den//g)
 
     def _get_num(self):
         """Accessor function for read-only 'num' attribute of Rat."""