code: def get_initkwargs(cls, form_list, initial_dict=None,
          instance_dict=None, condition_dict=None, *args, **kwargs):
          kwargs.update({
              'initial_dict': initial_dict or {},
              'instance_dict': instance_dict or {},
              'condition_dict': condition_dict or {},
          })
          init_form_list = SortedDict()
          assert len(form_list) > 0, 'at least one form is needed'
          for i, form in enumerate(form_list):
              if isinstance(form, (list, tuple)):
                  init_form_list[unicode(form[0])] = form[1]
              else:
                  init_form_list[unicode(i)] = form
          for form in init_form_list.itervalues():
              if issubclass(form, formsets.BaseFormSet):
                  form = form.form
              for field in form.base_fields.itervalues():
                  if (isinstance(field, forms.FileField) and
                          not hasattr(cls, 'file_storage')):
                      raise NoFileStorageConfigured
          kwargs['form_list'] = init_form_list
          return kwargs