def _get_sync(self, url):
        """Internal method used for GET requests

        Args:
            url (str): URL to fetch

        Returns:
            Individual URL request's response

        Raises:
          HTTPError: If HTTP request failed.
        """
        response = self.session.get(url)
        if response.status_code == requests.codes.ok:
            return response.json()
        else:
            raise HTTPError