Mine

@login_required
def index(request):
    isinstance(request,HttpRequest)
    #save_user_profile(request, user, pf, "speaker")
    user = User.objects.get(id=request.session.get('_auth_user_id'))
#    print "User is: " + str(user)
    userinfo = dict()
    userinfo['name']= user.get_full_name()
    userinfo['email']= user.email

    # One cool thing about passing instance to a ModelForm is that it can be None
    # pf = PresentationForm()
    try:
        instance = Presentation.objects.get(user=request.user) # or however you look up existing presentations
    except Presentation.DoesNotExist:
        instance = None

    if request.method == 'POST':

        # Now update the instance above with your status
        instance.status = Status(name='Pending')
        instance.status = presenter=user

        # Create the form for a POST request
        pf = PresentationForm(request.POST, instance=instance)
        print request.POST
        if not pf.is_valid():
#            print "pf isn't valid"
            return render_to_response('call_for_papers.html',{'presenter_form':pf},
                context_instance=RequestContext(request))
        else:
            pf.save()
            
#            pf2.status = Status(name='Pending')
#            pf2.save()            

            return render_to_response('paper_submitted.html', {'user': user},
                context_instance=RequestContext(request))
    else:
        # Create a form for a GET request
        pf = PresentationForm(instance=instance)

        abstracts = Presentation.objects.filter(presenter=user.get_profile())
        return render_to_response('call_for_papers.html',{'presenter_form':pf,
        'abstract_list':abstracts}, context_instance=RequestContext(request))