mako namespace on include

## child/update.mako - this is the template we want to render
<%namespace name="base" file="child/init.mako"/>
<%include file="parent/update.mako"/>

## child/init.mako
<%namespace name="base" file="child/map.mako"/>
<%namespace name="base" file="parent/map.mako"/>

## child/map.mako
<%
  name = 'some name'
%>

## parent/map.mako
<%
  full_name = base.attr.name + 'with some more name' ## this goes through without any problem
%>

## parent/update.mako
${ base.attr.full_name } ## base is undefined here