AttributeError at /person/register/
'unicode' object has no attribute 'get'
Request Method:	POST
Request URL:	http://localhost:8090/person/register/
Django Version:	1.2.3
Exception Type:	AttributeError
Exception Value:	
'unicode' object has no attribute 'get'
Exception Location:	C:\Python26\lib\site-packages\django\forms\models.py in _get_validation_exclusions, line 310
Python Executable:	C:\Python26\python.exe
Python Version:	2.6.6

class Person(models.Model):
    login = models.CharField
    passwd = models.CharField

class RegForm(forms.ModelForm):
    class Meta:
        model = Person

class Person(models.Model):
    login = models.CharField(max_length=100)
    passwd = models.CharField(max_length=100)

def register(request):
    if request.method == 'POST':
        persf = RegistrationForm(request.POST)
        if persf.is_valid():
            person = persf.save()
            return HttpResponseRedirect(reverse('main'))
    else:
        persf = RegistrationForm()
    return direct_to_template(request, 'person/register.html', {'form': persf})

Environment:

Request Method: POST
Request URL: http://localhost:8090/person/register/
Django Version: 1.2.3
Python Version: 2.6.6
Installed Applications:
['django.contrib.auth',
 'django.contrib.admin',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.sites',
 'django.contrib.messages',
 'src.person',
 'src.widgets']
Installed Middleware:
('django.middleware.common.CommonMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware')


Traceback:
File "C:\Python26\lib\site-packages\django\core\handlers\base.py" in get_response
  100.                     response = callback(request, *callback_args, **callback_kwargs)
File "E:\PythonProjects\Bugcatcher\src\..\src\person\views.py" in register
  11.         if persf.is_valid():
File "C:\Python26\lib\site-packages\django\forms\forms.py" in is_valid
  121.         return self.is_bound and not bool(self.errors)
File "C:\Python26\lib\site-packages\django\forms\forms.py" in _get_errors
  112.             self.full_clean()
File "C:\Python26\lib\site-packages\django\forms\forms.py" in full_clean
  269.         self._post_clean()
File "C:\Python26\lib\site-packages\django\forms\models.py" in _post_clean
  324.         exclude = self._get_validation_exclusions()
File "C:\Python26\lib\site-packages\django\forms\models.py" in _get_validation_exclusions
  310.                 field_value = self.cleaned_data.get(field, None)

Exception Type: AttributeError at /person/register/
Exception Value: 'unicode' object has no attribute 'get'

class RegistrationForm(forms.ModelForm):
    passwd = forms.CharField(max_length=64, widget=forms.PasswordInput, required=True)
    passwd2 = forms.CharField(max_length=64, widget=forms.PasswordInput, required=True)

    def clean_login(self):
        login = self.cleaned_data['login']

        try:
            person = Person.objects.get(login=login)
        except Person.DoesNotExist:
            person = None
        if person:
            raise forms.ValidationError("Такой пользователь уже существует")

        return login

    def clean(self):
        pass1 = self.cleaned_data['passwd']
        pass2 = self.cleaned_data['passwd2']

        if (pass1 != pass2):
            raise forms.ValidationError("Пароли должны совпадать")

        return pass1

    class Meta:
        model = Person