title: 'NoneType' object has no attribute 'set_cookie'
body: <p>I have got following django code for Formwizard in python. First there are two forms:</p>
  
  <pre><code> class AuthenticationForm(forms.Form):
        FirstName = forms.CharField(max_length=500)
        LastName = forms.CharField(max_length=500)
  
   class SurveyForm(forms.Form):
        def __init__(self, *args, **kwargs):
         super(SurveyForm, self).__init__(*args, **kwargs)
         for question in choiceValue:
                  self.fields[question] =  forms.ChoiceField(choices=CHOICES,widget=RadioSelect())
  
  class ContactWizard(FormWizard):
  choiceValue = []
  
  def get_template(self,step): 
      if step == 0:
          return 'wizard0.html'
      if step == 1:
          return 'wizard1.html'
  
  def process_step(self, request, form, step):
      if (step == 0):      
          fullName=""      
          if request.method== 'POST':               
              if form.is_valid():  
                  FirstName = form.cleaned_data['FirstName']
                  LastName = form.cleaned_data['LastName']
                  FirstNameU=FirstName.capitalize()
                  LastNameU=LastName.capitalize()
                  fullName=FirstNameU+" "+LastNameU
                  personURIfn=GraphR.triples((None,FOAF_NS['givenName'],Literal(FirstNameU)))
                  personURIln=GraphR.triples((None,FOAF_NS['familyName'],Literal(LastNameU)))          
                  for purifn in personURIfn:
                      purifnStr='%s' %purifn[0]
                      for puriln in personURIln:     
                          purilnStr='%s' %puriln[0]
                          if purifnStr == purilnStr:               
                              personURI=purifnStr
                              friendKnows=GraphR.triples((URIRef(purifnStr),FOAF_NS['knows'],None))
                              for fk in friendKnows: #and scn1 not in epuriList1:            
                                  fkStr='%s' %fk[2]
                                  choiceValue.append(fkStr)
                  return render_to_response('wizard1.html', RequestContext(request))
  
  
  def done(self, request, form_list):
      print 'run'
  </code></pre>
  
  <p>I am not getting why it is giving error mentioned in the Title. Moreover Google is also not providing any specific help. Could anyone of you please guess the cause of it. I suspect something wrong happening in Done method but not sure.</p>
  
  <p>Thanks.</p>