math.fsum docs did not show up because of a misplaced testsetup directive

Doc/library/math.rst

@@ -4,6 +4,9 @@
 .. module:: math
    :synopsis: Mathematical functions (sin() etc.).
 
+.. testsetup::
+
+   from math import fsum
 
 This module is always available.  It provides access to the mathematical
 functions defined by the C standard.
@@ -77,8 +80,6 @@ Number-theoretic and representation functions
 
 
 .. function:: fsum(iterable)
-.. testsetup::
-        >>> from math import fsum
 
    Return an accurate floating point sum of values in the iterable.  Avoids
    loss of precision by tracking multiple intermediate partial sums::