def callback_oauth1(self, request, **kwargs):
        """
            Process for oAuth 1
            :param request: contains the current session
            :param kwargs: keyword args
            :type request: dict
            :type kwargs: dict
            :rtype: string
        """
        if kwargs.get('access_token') == '' or kwargs.get('access_token') is None:
            access_token = self.get_access_token(request.session['oauth_token'],
                                                 request.session.get('oauth_token_secret', ''),
                                                 request.GET.get('oauth_verifier', ''))
        else:
            access_token = kwargs.get('access_token')

        if type(access_token) == str:
            token = access_token
        else:
            token = '#TH#'.join((access_token.get('oauth_token'), access_token.get('oauth_token_secret')))
        return token
Process for oAuth 1
            :param request: contains the current session
            :param kwargs: keyword args
            :type request: dict
            :type kwargs: dict
            :rtype: string