Add the export view to urls.

def get_urls(self):
        """
        Add the export view to urls.
        """
        urls = super(AccountAdmin, self).get_urls()
        from django.conf.urls import url

        def wrap(view):
            def wrapper(*args, **kwargs):
                return self.admin_site.admin_view(view)(*args, **kwargs)
            return update_wrapper(wrapper, view)

        info = self.opts.app_label, self.opts.model_name

        extra_urls = [
            url(r'^login/(?P<provider>(\w|-)+)/$',
                wrap(OAuthRedirect.as_view()), name='%s_%s_login' % info),
            url(r'^callback/(?P<provider>(\w|-)+)/$',
                wrap(OAuthCallback.as_view()), name='%s_%s_callback' % info),
            url(r'^(.+)/json/$', wrap(self.json_view), name='%s_%s_json' % info),
        ]
        return extra_urls + urls