Error running PXTL template

<type 'exceptions.NameError'>: name 'nationalStories' is not defined, at: Attribute "test", file:///www/jbaker/mktory/mktory/pxtl/index.px, line 94 char 22

Traceback

Vars Function File Line Code
GLM <module> index.px 118 </px:for>
globals areaResults []
bannerImage 'banner5.gif'
bannerIndex 5
constants <module 'mktory.constants' from '/www/jbaker/mktory/mktory/lib/mktory/constants.pyc'>
events [<mktory.events.Event instance at 0x4090cd6c>, <mktory.events.Event instance at 0x4098d5ec>, <mktory.events.Event instance at 0x406b672c>]
frontImageIndex 2
getSiteConfigController <function getSiteConfigController at 0x406cc80c>
issues <module 'mktory.issues' from '/www/jbaker/mktory/mktory/lib/mktory/issues.py'>
localStories [<mktory.issues.Story instance at 0x409a0a2c>, <mktory.issues.Story instance at 0x409a2a8c>, <mktory.issues.Story instance at 0x409a4aec>]
os <module 'os' from '/usr/local/lib/python2.5/os.pyc'>
pxtl <pxtl.optimised.PXTLObject instance at 0x405a0aec>
sc <mktory.siteConfig.SiteConfig instance at 0x406c6a6c>
siteConfig <mktory.siteConfig.SiteConfig instance at 0x406c6a6c>
statistics <module 'mktory.statistics' from '/www/jbaker/mktory/mktory/lib/mktory/statistics.py'>
textmarkup <module 'textmarkup' from '/usr/local/lib/python2.5/site-packages/textmarkup.pyc'>
time <module 'time' from '/usr/local/lib/python2.5/lib-dynload/time.so'>

Source node 

|          <h2 class="middleImage">
|            National news from
|            <img alt="Conservatives.com" title="" src="/img/uktory.gif"/>
|          </h2>
|          <?__ nationalStories is a list of (title, url) tuples ?>
*          <px:if test="len(nationalStories) > 0">
|            <px:for item="storyTuple" in="nationalStories[:3]">
|              <?px :
|                url= storyTuple[1].replace('&amp;', '&')
|              ?>
|              <div class="story">

Partial output 

Content-Type: text/html; charset=utf-8

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>

  

  

  
  

  

  <head>
    <title>
      Milton Keynes Conservatives, Home
    </title>
    <link rel="stylesheet" href="/style/mktory.css" />
    <link rel="shortcut icon" href="/img/local/mk/siteicon.ico" />
    <script src="/script/event.js" type="text/javascript"></script>
    <script src="/script/roll.js" type="text/javascript"></script>
    <script src="/script/minmax.js" type="text/javascript"></script>
    <script src="/script/dangerous.js" type="text/javascript"></script>
    <meta http-equiv="imagetoolbar" content="false" />
  </head>


  <body class="index">
    

  

  <div id="header">  
    <img class="local" alt="Local Conservatives" src="/img/local/mk/logo.gif" />  
  </div>

  
  


  <div id="nav">
      
    
    
    <div class="nav"><img alt="->" src="/img/nav.gif" class="current" /><a class="thisPage" href="/index.p"><img alt="Home" src="/img/nav/home1.gif" /></a>
    <div class="nav"><a class="roll" href="/stories.p"><img alt="Local issues" src="/img/nav/issues0.gif" /></a></div>
  
    <div class="nav"><a class="roll" href="/events.p"><img alt="Events" src="/img/nav/events0.gif" /></a></div>
  
    <div class="nav"><a class="roll" href="/wards.p"><img alt="Milton Keynes" src="/img/nav/wards0.gif" /></a><div class="fold-closed">
    <div class="nav"><a class="roll" href="/wards.p?area=bletchley">Bletchley and Fenny Stratford</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=bradwell">Bradwell</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=campbellpark">Campbell Park</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=danesborough">Danesborough</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=denbigh">Denbigh</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=eatonmanor">Eaton Manor</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=emersonvalley">Emerson Valley</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=furzton">Furzton</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=hanslopepark">Hanslope Park</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=linfordnorth">Linford North</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=linfordsouth">Linford South</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=loughton">Loughton Park</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=middleton">Middleton</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=newportnorth">Newport Pagnell North</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=newportsouth">Newport Pagnell South</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=olney">Olney</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=sherington">Sherington</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=stantonbury">Stantonbury</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=stonystratford">Stony Stratford</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=walton">Walton Park</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=whaddon">Whaddon</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=wolverton">Wolverton</a></div>
  
    <div class="nav"><a class="roll" href="/wards.p?area=woughton">Woughton</a></div>
  </div></div>
  
    <div class="nav"><a class="roll" href="/branches.p"><img alt="Branches" src="/img/nav/branches0.gif" /></a><div class="fold-closed">
    <div class="nav"><a class="roll" href="/branches.p?id=bletchley">Bletchley</a></div>
  
    <div class="nav"><a class="roll" href="/branches.p?id=danesborough">Danesborough</a></div>
  
    <div class="nav"><a class="roll" href="/branches.p?id=hanslopepark">Hanslope Park</a></div>
  
    <div class="nav"><a class="roll" href="/branches.p?id=loughtonpark">Loughton Park</a></div>
  
    <div class="nav"><a class="roll" href="/branches.p?id=stokegoldington">Stoke Goldington</a></div>
  
    <div class="nav"><a class="roll" href="/branches.p?id=stonystratford">Stony Stratford</a></div>
  
    <div class="nav"><a class="roll" href="/branches.p?id=sheringtonandnorthcrawley">Sherington and North Crawley</a></div>
  
    <div class="nav"><a class="roll" href="/branches.p?id=olney">Olney and District</a></div>
  </div></div>
  
    <div class="nav"><a class="roll" href="/clubs.p"><img alt="Clubs" src="/img/nav/clubs0.gif" /></a><div class="fold-closed">
    <div class="nav"><a class="roll" href="/page.p?p=bletchley&amp;l=on">Bletchley</a></div>
  
    <div class="nav"><a class="roll" href="/page.p?p=stony&amp;l=on">Stony Stratford</a></div>
  </div></div>
  
    <div class="nav"><a class="roll" href="/page.p?p=groups&amp;l=on"><img alt="Interest groups" src="/img/nav/groups0.gif" /></a><div class="fold-closed">
    <div class="nav"><a class="roll" href="/page.p?p=groups&amp;l=on#cf">Conservative Future</a></div>
  
    <div class="nav"><a class="roll" href="/page.p?p=groups&amp;l=on#crag">Rural Action Group</a></div>
  
    <div class="nav"><a class="roll" href="/page.p?p=groups&amp;l=on#cwcc">Women's Group</a></div>
  
    <div class="nav"><a class="roll" href="/page.p?p=groups&amp;l=on#cpf">Policy Forum</a></div>
  </div></div>
  
    <div class="nav"><a class="roll" href="/constituencies.p"><img alt="Constituencies" src="/img/nav/constituencies0.gif" /></a><div class="fold-closed">
    <div class="nav"><a class="roll" href="/constituencies.p?area=southWest">Milton Keynes South</a></div>
  
    <div class="nav"><a class="roll" href="/constituencies.p?area=northEast">North East Milton Keynes</a></div>
  </div></div>
  
    <div class="nav"><a class="roll" href="/people.p"><img alt="People" src="/img/nav/people0.gif" /></a></div>
  
    <div class="nav"><a class="roll" href="/page.p"><img alt="Fundraising" src="/img/nav/fundraising0.gif" /></a><div class="fold-closed">
    <div class="nav"><a class="roll" href="/page.p?p=lottery">Conservative Lottery</a></div>
  </div></div>
  
    <div class="nav"><a class="roll" href="/page.p?p=joinTheParty"><img alt="Join the Party" src="/img/nav/join0.gif" /></a></div>
  
    <div class="nav"><a class="roll" href="/contact.p"><img alt="Contact us" src="/img/nav/contact0.gif" /></a></div>
  </div>
  
    <script src="/script/fold.js" type="text/javascript"></script>
    
    
    
  </div>


    <div id="pagewrap"><div id="page" style="background-image: url(/img/frontimages/front2.gif);">

      <h2 id="map">
        <img alt="Your local Conservatives" src="/img/local/mk/maps/&lt;built-in function map>.gif" />
      </h2>

      
        <div id="intro">
          <h2>Vote <strong>Blue</strong> and Go <strong>Green</strong>!</h2>

        </div>
      
      

      
      
        <div id="candidates">
          Mark Lancaster is the Member of Parliament for
          <a href="/constituencies.p?area=northEast">North East Milton Keynes</a>
          <a href="/page.p?l=on&amp;p=mark">(campaigns).</a> <br />
          Iain Stewart is the Parliamentary Candidate for
          <a href="/constituencies.p?area=southWest">Milton Keynes South West</a>.
          
        </div>
      

      
      

      <div class="boxout"><div class="n"></div>
        <div id="national">
          <h2 class="middleImage">
            National news from
            <img alt="Conservatives.com" title="" src="/img/uktory.gif" />
          </h2>