Remove with_statement future imports from 2.6 docs.
diff --git a/Doc/library/numbers.rst b/Doc/library/numbers.rst
index d0f9c3b..505a8af 100644
--- a/Doc/library/numbers.rst
+++ b/Doc/library/numbers.rst
@@ -1,10 +1,12 @@
-
 :mod:`numbers` --- Numeric abstract base classes
 ================================================
 
 .. module:: numbers
    :synopsis: Numeric abstract base classes (Complex, Real, Integral, etc.).
 
+.. versionadded:: 2.6
+
+
 The :mod:`numbers` module (:pep:`3141`) defines a hierarchy of numeric abstract
 base classes which progressively define more operations. These concepts also
 provide a way to distinguish exact from inexact types. None of the types defined