def refresh_access_token(self, refresh_token):
request = self._get_request()<EOL>response = request.post(self.OAUTH_TOKEN_URL, {<EOL>"<STR_LIT>": "<STR_LIT>",<EOL>"<STR_LIT>": refresh_token<EOL>})<EOL>self.auth = HSAccessTokenAuth.from_response(response)<EOL>return self.auth.access_token<EOL>
Refreshes the current access token.

            Gets a new access token, updates client auth and returns it.

        Args:

            refresh_token (str): Refresh token to use

        Returns:
            The new access token