comprehrensions now have proper scoping #5106

Doc/reference/executionmodel.rst

@@ -51,8 +51,8 @@ definition occurs in a function block, the scope extends to any blocks contained
 within the defining one, unless a contained block introduces a different binding
 for the name.  The scope of names defined in a class block is limited to the
 class block; it does not extend to the code blocks of methods -- this includes
-generator expressions since they are implemented using a function scope.  This
-means that the following will fail::
+comprehensions and generator expressions since they are implemented using a
+function scope.  This means that the following will fail::
 
    class A:
        a = 42