nimasmi

from django.views.generic import FormView
from django.utils.translation import ugettext_lazy as _
from django.contrib import messages
from import_export.formats import base_formats
from import_export.forms import ImportForm, ConfirmImportForm
from import_export.resources import modelresource_factory
from django.http import HttpResponseRedirect

from import_export.tmp_storages import TempFolderStorage
try:

goloveychuk

from django.forms.models import model_to_dict

class ModelDiffMixin(object):

    def __init__(self, *args, **kwargs):
        super(ModelDiffMixin, self).__init__(*args, **kwargs)
        self.__initial = self._dict

    @property
    def diff(self):