def set_credentials(self, client_id=None, client_secret=None):
        """
        set given credentials and reset the session
        """
        self._client_id = client_id
        self._client_secret = client_secret

        # make sure to reset session due to credential change
        self._session = None
def set_credentials ( self , client_id = None , client_secret = None ) : self . _client_id = client_id self . _client_secret = client_secret self . _session = None
set given credentials and reset the session