Gets HTML source

        :param query: query to search engine
        :return: HTML source of search page of given query

def get_search_page(self, query):
        """Gets HTML source

        :param query: query to search engine
        :return: HTML source of search page of given query
        """
        query_web_page = Webpage(self.url + self.parse_query(query))
        query_web_page.get_html_source()  # get html source
        return query_web_page.source