Fix all Python Cookbook links (#22205)

diff --git a/Doc/library/math.rst b/Doc/library/math.rst
index bbf6464..f152c45 100644
--- a/Doc/library/math.rst
+++ b/Doc/library/math.rst
@@ -123,7 +123,7 @@
 
    For further discussion and two alternative approaches, see the `ASPN cookbook
    recipes for accurate floating point summation
-   <https://code.activestate.com/recipes/393090/>`_\.
+   <https://github.com/ActiveState/code/tree/master/recipes/Python/393090_Binary_floating_point_summatiaccurate_full/recipe-393090.py>`_\.
 
 
 .. function:: gcd(*integers)