post.py

    def post_data_to_url(self, url, user_info, headers=None, access_token=None):
        if headers is None:
            if access_token is None:
                head = self.dict_config['head']
            else:
                head = self.dict_config['head'].copy()
                head.update({'X-PG-Authorization': access_token})
        else:
            head = headers
        allure.MASTER_HELPER.attach("url", str(url))
        allure.MASTER_HELPER.attach('Отправляемые данные', str(user_info))
        response = requests.request("POST", url, data=json.dumps(user_info), headers=head)
        allure.MASTER_HELPER.attach('api-response', str(response))
        response = json.loads(response.text)
        self.success_check(response)
        return response

reg.py

    def user_registration(base_url, user_type, login, password):
        """
        Registration the user
        :param base_url: out config.json
        :param user_type: if applicant user_type = 4, if employer user_type = 8
        :param login: login, what user take
        :param password: password, what user take
        :return: response from api
        """

        registration = False
        while not registration:
            url = base_url + "user/register/"
            user_info = {
                "login": login,
                "password": password,
                "type": user_type}
            allure.MASTER_HELPER.attach("отсылаемые данные", str(user_info))
            request = Helpers().post_data_to_url(url, user_info)
            registration = UserService().success_registration(request)
        return request